CPMO

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1 | Page Contents Task One Introduction to the Garment Industry 6 History 6 First industrial Revolution Second Industrial Revolution Third Industrial Revolution World Trade in the Garment Industry Today (i.e. The Post-Quota Era) 8 Introduction Impact of Quota Elimination on Global Trade Factors that effect the Garment Industry at a Global Level 15 Global Positioning of the Garment Industry 20 Sizing in the Garment Industry 22 History Need for Size and Fit Spec Development Process Consumer Perception of Apparel Fit Role of Size and Fit in Consumers Decision Making Process Role of Size and Fit Skills in Apparel Retailing Terms, Definitions and Body Measurement Procedures Pattern Making 28 Introduction History Process Types of Pattern making in Garment Manufacturing Pattern making Technique Contents of Paper Patterns Pattern Grading 35 Introduction Shrinkage Incorporation in Pattern Grading

Transcript of CPMO

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Contents

Task One

Introduction to the Garment Industry 6

History 6

First industrial Revolution

Second Industrial Revolution

Third Industrial Revolution

World Trade in the Garment Industry Today (i.e. The Post-Quota Era) 8

Introduction

Impact of Quota Elimination on Global Trade

Factors that effect the Garment Industry at a Global Level 15

Global Positioning of the Garment Industry 20

Sizing in the Garment Industry 22

History

Need for Size and Fit

Spec Development Process

Consumer Perception of Apparel Fit

Role of Size and Fit in Consumers Decision Making Process

Role of Size and Fit Skills in Apparel Retailing

Terms, Definitions and Body Measurement Procedures

Pattern Making 28

Introduction

History

Process

Types of Pattern making in Garment Manufacturing

Pattern making Technique

Contents of Paper Patterns

Pattern Grading 35

Introduction

Shrinkage Incorporation in Pattern Grading

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Shrinkage

Shrinkage Adjusting

Task Two

Pre-production: Fabric Selection 39

Introduction

General Consideration of Fabrics

Fabric Identification for Garment

Pre-production: Fabric Relaxation 42

Pre-production: About Fibers, Yarns and Fabrics 42

Fibers

Yarns

Fabrics

Pre-production: Fabric Inspection 53

Introduction

General Inspection Procedures

Fabric Inspection Guidelines

Fabric Sampling Plan

Fabric Inspection Documentation

Pre-production: Fabric Storage 55

Pre-production: Product Design 56

Pre-production: Marker Making, Cutting and Bundling 57

Introduction to Maker Making

Marker making Considerations

Marker Layout for Cutting Specific Fabrics

Fabric Spreading

Cutting fabric Layups

Bundling

Pre-Production: Fusing Technology 67

Introduction

Advantage of using Fusing Technology

Process

Requirements of Fusing

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Various Fusing Equipment

Methods of Fusing

Production: Sewing and Finishing 72

Introduction

About Sewing Process

Line Balancing

Cycle Time

Handling System

Pressing and Folding

Post-production: Packaging 73

Shipping Packaging

Merchandise Packaging

Packaging Tags and Fasteners

Workflow 84

Method Study 85

Introduction

Need for Method Study

Task 3

Introduction to Production Systems 87

Individual System/Make Through/Whole Garment System 87

Section or Process System 88

Straight Line System 89

Progressive Bundle System 92

Unit Production System 93

Modular Production System 94

Quick Response Sewing System 95

Evaluation of Production Systems 97

Conclusion 97

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Task 4

Introduction to Sampling 100

Need for Sampling 100

Details attached to the Garment Samples 100

Types of Samples 101

Sampling Process 101

Introduction

Development Sample

Salesmen Sample

Fit/Photo Sample

Approval Sample

Wash Test Sample

Pre-Production Sample

Production Sample or Shipment Sample

References

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TASK ONE

Project Brief

Students are expected to do the research work in library correlating the classroom teaching

on global positioning and sizing in the garment industry with the reference study material to

write the written document of the complete work. The written work is suggested to be

supported by charts and graphs for analysis purpose.

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Introduction to Garment Industry

Apparel Production is a Labour-Intensive process by which raw material are converted into

finished saleable garments. The garment industry is one of the most active international

trade sectors. The global fashion apparel industry is one of the most important sectors of

the economy in terms of investment, revenue and trade and employment generation all

over the world. Advance in technology and global trade have made production more

efficient and cost-effective for many countries today. The global supply chain for the apparel

industry is composed of:

Fiber producers, textile plants and findings manufacturers

Manufacturers that produce apparel products

Distributors and transporters of fashion goods

Retailers including stores, catalogues, television shopping networks and online

website

End consumer who purchases the fashion goods

History

Before the Industrial Revolution

Prior to the mechanised textile manufacturing, which began during the eighteenth century,

Craft Style Production was the norm. People purchased raw material for the purpose of

weaving and sewing textile products by hand in their homes.

During, this time India produced and exported very fine fabrics that were highly desired.

Textile designs from China, India and Japan, highly influenced the Western Cultures.

European manufacturers began coping and producing textiles in Asian styles. England in

particular was producing sophisticated patterned fabrics that were quite elaborate, which

made them more expensive than those imported from India. The labour intensive task of

weaving these fabrics by hand made it difficult for England to compete with lower priced

goods imported from India.

First Industrial Revolution

The development and improvement in coal, iron and steam driven mechanisms in the

eighteenth century England resulted in an Industrial Revolution. Technological

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advancements in textile machinery and the creation of mills and factories gave way to

development of mass produced textile goods at competitive prices.

The first textile invention of note during this time was John Kay’s 1733 flying shuttle. This

development significantly increased weaving speeds by using a mechanically driven shuttle

that was passed back and forth at greater speeds than could be achieved manually, which

increased fabric output while reducing labour costs. As a result of increasing weaving

speeds, demand for production spun yarns grew.

In 1792 Eli Whitney revolutionarised the industry with his cotton gin that mechanised

cleaning and separation of fibers. During this time cotton was the most widely used fiber for

textile goods.

In 1830 Barthelemy Thimonnier created the chain stitch sewing machine that allowed for

mechanised sewing.

In 1846 Ellias Howle invented the lockstitch sewing machine, which provided better- quality

stitching. These inventions were followed by the first commercially produced paper patterns

for apparel and the addition of the first synthetic dyes and fibers.

Second Industrial Revolution

The second industrial revolution began in 1870 and was centred on chemicals, electricity

and steel. In 1872 Factory-Style Production was becoming more efficient through inventions

powered by steam and electricity, such as cutting machines that allowed several layers of

fabric to be cut simultaneously. During the second industrial revolution, inventors made

great advances in commercial production of synthetic fiber rayon and viscose rayon.

Increased production of textile goods made way for new outlets to sell goods.

Aaron Montgomery Ward established the first mail-order catalogue in 1872. In 1894

Frederick Winslow Taylor revolutionarised Assembly-Line Production by timing each task in

production of goods to eliminate waste time and increase efficiency.

The development of many synthetic fibers such as acetate, acrylic, mod acrylic, lyocell,

polyester and spandex ensued during the twentieth century.

Third Industrial Revolution

Textile advances in the development of fibers has continued into the twenty-first century

with technologically complex fibers including nano (diameter less than 0.5 microns),

biochemical (with electronic sensors that communicate information about the biological

conditions of the wear’s body) and high-performance hybrid/ multi-functional fibers (which

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absorb and evaporate moisture and perspiration away from the body while offering anti-

microbial properties), as well as renewable, sustainable and biodegradable fibers such as

bamboo and organic cotton. The third industrial revolution is an era focused on Economic

Sustainability and Climatic Change.

In a 2006 article, Hans Sennholz, president of the Foundation for Economic Education and

author of the Underground Economy (2006) wrote that the third industrial revolution is an

information revolution that greatly expand the scope of tradable services and tends to move

many service jobs offshore from United States of America to India, China and other

industrial newcomers where Labour is much Cheaper.

Jeremy Rifkin, adviser to the European Union and author of bestsellers on economic issues,

has defined the three critical challenges of the latest industrial revolution as the Global

Economic Crisis, Energy Security and Climate Change.

World Trade In The Garment Industry Today (i.e. The Post-Quota Era)

Introduction

In 1995 members of the World Trade Organization (WTO) agreed to phase out agreements

that had controlled trade in textiles and apparel for more than 30 years. On January 1, 2006,

the worldwide system of textile and apparel quotas came to an end. Because the quota

system had forced buyers to purchase goods where quota was available, not where goods

were most efficiently produced, it shielded many developing countries from two significant

sources of competition: global supply chain forces and competition from large suppliers,

including China and India.

Impact of Quota Elimination on Global Trade

China is by far the largest supplier of textiles and apparel to the United States and the

European Union. It claimed 35 percent of U.S. and EU apparel import markets in 2007, up

from 20 percent in 2002. This rapid growth has been largely at the expense of East Asian

producers such as Taiwan, Korea, and Hong Kong, but has also affected regional producers

in Eastern Europe, Mexico, and Central America, as well as smaller supplier countries. The

European Commission estimates that apparel production in the EU declined by more than

32 percent from 1996 to 2006. Large suppliers, such as Bangladesh, Pakistan, India and Sri

Lanka, maintained market share or gained small amounts. The performance of members of

the Association of Southeast Asian Nations (ASEAN) in U.S. and EU markets has been mixed:

They have lost market share in the EU but gained market share by nearly a third in the

United States, their primary market. In both markets, smaller producers from Africa, South

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America, and the Pacific have generally lost sales in relative and absolute terms (refer Figure

1-1)

The United States and EU began phasing out quotas on selected apparel in 1995; the

phasing-out of quotas on sensitive products, including more than 90 percent of U.S. textile

and apparel imports, did not begin until 2002. Since quotas ended completely in 2005,

exports from some countries have grown while exports from others have ceased. More than

100 countries trade apparel with the major markets—so who are the winners and losers? In

general, small countries exporting US$500 million or less to the United States or €500

million or less to the EU in 2004 have experienced a 22 percent to 34 percent decline in

exports. Small countries exporting to the United States have suffered the most. More than

85 percent of small suppliers to the EU experienced a decline in export values; more than 90

percent of small exporters to the United States lost sales in the U.S. market. Only Egypt,

Haiti, Morocco, Tunisia, and Botswana maintained a positive growth position in the U.S.

market (see Table 2-1). At the same time, exports from Fiji, Nepal, South Africa, and others

have been nearly eliminated since 2005. Similar trends have appeared in the EU market,

where only a few small producers have increased exports (see Table 1-2).

Figure 1-1

EU and U.S. Market Shares by Region

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Source: Data from Eurostat; analysis by Nathan Associates Inc.

Source: Data from USITC; analysis by Nathan Associates Inc.

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Table 1-1

Source: Data from USITC; analysis by Nathan Associates Inc.

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Table 1-2

Source: Data from Eurostat; analysis by Nathan Associates Inc.

In 2004, 28 exporters supplied the U.S. apparel market with exports valued at more than

US$500 million. In 2007, these large suppliers accounted for 94 percent of U.S. imports of

apparel (Figure1-2). Likewise, in 2004, 22 large exporters supplied the EU market with

exports valued at more than €500 million; by 2007 they accounted for more than 90 percent

of EU imports of apparel.

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Figure 1-2

Source: Data from Eurostat and USITC; analysis by Nathan Associates Inc.

Although large suppliers dominate the U.S. and EU markets and their market share has grown since

textile and apparel quotas were eliminated, even among these suppliers there have been winners

and losers since 2005. Half of the 28 large suppliers to the United States have experienced losses and

half experienced gains (see Table 1-3), with the largest tending to gain rapidly (e.g., China, Vietnam,

Indonesia, India and Bangladesh). The losers include large regional producers such as Mexico,

Honduras, the Dominican Republic, and non-regional producers such as Turkey and the Philippines.

The Dominican Republic and Mexico both lost more than US$1 billion in exports. Exporters in some

countries, such as Turkey, compensated for the decline in exports to the United States with a rise in

exports to the EU (see Table 1-4).

In the EU market, Bangladesh and India have done particularly well since 2005, while a number of

regional producers in Tunisia, Morocco, and Romania have lost sales (see Table 1-4). Indonesia lost

18 percent of its sales in the EU, but a rise in sales to the United States created a net gain. Thus, the

export situation remains complex as supply chains adjust to optimal positions.

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Table 1-3

Source: Data from USITC; analysis by Nathan Associates Inc.

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Table 1-4

Source: Data from Eurostat; analysis by Nathan Associates Inc.

Factors That Effect The Garment Industry Today At a Global Level

As a consequence of the three industrial revolutions, the global economic and political

scenario and age old traditions of the garment industry, today the growth of the industry is

dependent on the following factors;

Labour Cost

Despite great technological advances to streamline production over the past few centuries,

the manufacturing of fashion goods still remains a labour-intensive, driving companies to

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seek low wages in order for their products to remain profitable and competitive. As a result

it can be found in almost all developing countries, particularly least-developed countries.

Since the 1950s, the industry has seen several migrations, all involving Asia and at each

stage involving a shift to a country where labor costs were initially lower. In the 1950s and

early 1960s, the move was from North America and Western Europe to Japan, as western

textile and clothing production was largely displaced by Japanese imports. The second shift

was from Japan to Hong Kong, Taiwan and South Korea, which together dominated global

clothing exports in the 1970s and early 1980s. By the late 1980s and the 1990s there was a

third migration, away from Hong Kong, Taiwan and South Korea to other lower-cost,

developing countries. This included a big shift of production to mainland China, where

economic reform and opening up had prompted a surge in export-oriented industrial

growth. A number of South-east Asian countries including Indonesia, Thailand, Malaysia and

the Philippines, as well as Sri Lanka, also benefited from the migration. And in the 1990s,

other new suppliers emerged in South Asia and Latin America.

The impact of these dramatic geographic shifts on importing countries was severe. In 1992

about 49% of all retail apparel sold in the US was made domestically; by 1999 that

proportion had fallen to 2%. In Hong Kong, Taiwan and South Korea, the industry was forced

to adjust to rising wages and labour shortages. By the end of the eighties, manufacturers in

these countries needed to find lower-cost production bases and ways. In one analysis, “In

this division of labor, skill-intensive activities, which provided relatively high gross margins,

such as product design, sample making, quality control, packing, warehousing, transport,

quota transactions and local financing in the apparel industry, stayed in East Asia and

labour-intensive activities were relocated.” Thus countries in Africa, such as Mauritius and

Lesotho, enjoyed a surge in inward investment for garment manufacturing, but usually only

took over the lower-margin parts of the supply chain. China is overwhelmingly the biggest

clothing exporter, but extra-EU exports are still sizeable. Meanwhile, the USA, EU and Japan

account for the majority of clothing imports.

Infrastructure

Availability of land and resources is very essential in setting up of the industry and its

growth. Low cost of land, electricity, water and raw material are the factors that lure the

investors to setup industry in that particular area. In case of unavailability of any of the

factors, setting up and running of the industry takes more capital investment.

Since apparel production in the past decade has become a lean job due to lean buyers,

hence the countries with easy availability of these factors at a low cost are favourable.

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Education

For running the industry well educated people are required to take up higher level

managerial posts in the factory and to supervise the labourers in their job. The supervision

of apparel production in a factory, communication between the buyer and manufacturer

and analysis of the industries performance is done by people who have received formal

education. Thus, an area/country with a higher level of education system and larger number

of educational institutions which provide academic as well as practical inputs for running

the industry are a favourable location for a growing industry.

Society

The social environment of a space is a crucial factor that affects the growth of the industry

as the work force involved in the industry and the end consumer (not in all cases) emerge

from the local surroundings of the unit. Thus, a society with a modern outlook and safe

environment helps in the growth of business and the industry.

Market Growth

An increase in the amount of sales will pull the industry to manufacture more and thus,

generate employment along with industrial growth. A healthy market demand, which is the

result of increase in prosperity, leads in setting up of more and more retail outlets in a

particular are/ country. These retail outlets sources the goods from a manufacturing unit

may or may not be located in the same region/country. Thus, both the ends benefit and

hence, there is a growth experienced in the industry as a whole.

Government Policies

The government policies of a country effect the setup of an industry as major support is

required from the government to achieve higher profit from production and exports. Some

of China’s policies and their impact on the garment industry in China is discussed below;

The yuan’s de facto peg to the US dollar, maintained at a level that critics allege

significantly undervalues China’s currency, makes exports far cheaper to the rest of

the world than might be the case if the currency was allowed to float.

China additionally gives all exporters big tax breaks, so in effect a state subsidy.

Companies which have needed capital for investment have also for several years

benefited from easily-obtainable credit from the statecontrolled banks, although

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excessive fixed asset investment has tightened the supply of loans in some over-

heated sectors of the economy in recent years.

In practice (although legislation says otherwise), standards of intellectual property

rights, environmental controls and labor protection are often less rigorous than in

competing countries, with a consequent (and possibly short-term) cost advantage.

As Chinese garment manufacturers have expanded, the government has encouraged them

to move downstream into retail, and upstream into fabric manufacturing, all of which has

promoted the ability to offer overseas customers the desired full package service.

Environment

An increased awareness of global climatic changes has inspired some companies, as well as

governments, to explore eco-friendly and socially responsible options for manufacturing

goods.

Judiciary

A stable and influential judiciary system is necessary as in case of disputes and disorder,

judiciary acts as a neutral regulator and settles. Absence of a judiciary system or inefficiency

of the judiciary system leads to an turbulent environment in the country at politicial, social

and economic level hence, making it difficult for the industry to function in its fuul capacity.

International Trade Policies

International trade policies greatly influence the production in apparel industry as seen in

the past. On January 1, 2005, the World Trade Organisation abolished textile qoutas, to the

great benefit of countries with a large-scale production capacity and low wages, which

enabled them to provide more cost-effective manufacturing than others to companies

around the globe. As a result of this by 2006, the five countries leading apparel exports were

China, Hong Kong, Turkey, Mexico and India. The leading Apparel Importers during the same

year were the European Union, Unites States of America, Japan, Hong Kong and the Russian

Federation. In 2009, the top five exporting countries leading the global textile industry were

China, Turkey, Pakistan, India and Taiwan, according to Export Bureau statistics.

Preferential Trade

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Preferential trade agreements and arrangements6 have stimulated apparel production and

sometimes accelerated growth in textile and apparel exports, especially in beneficiary

countries outside South and Southeast Asia and China. Free trade agreements, such as the

North American Free Trade Area (NAFTA), the Dominican Republic–Central America–United

States Free Trade Agreement (CAFTA-DR), and US–Jordan Free Trade Agreement provide

reciprocal market access, so both parties benefit from lower tariffs. Preferential

arrangements, such as the EU Everything But Arms Program and the United States African

Growth and Opportunity Act, provide unilateral benefits that the granting country can

revoke while free trade agreements provide long-term security of market access.

Before quotas were eliminated, producers in beneficiary countries enjoyed liberal quota

access and tariff relief. They may still have tariff relief, but this benefit is far less significant

than that conferred by quota access. Tariffs on textiles and apparel are high when compared

to other traded manufactures, but are not as restrictive as quotas were. The average U.S.

duty on apparel items is 17 percent and the average EU duty is 12 percent; the tariff

equivalent of quotas has been estimated to have been more than twice that.7 In addition,

preferential trade benefits usually require compliance with rules on sourcing of materials

and fabrics; achieving compliance drives up costs. Thus, for many producers preferential

access provides less than the full tariff rate advantage—and that advantage may amount to

less than the production cost advantage enjoyed by many large Asian suppliers.

Countries with sizable apparel assembly operations linked to preferential access to the U.S.

and EU markets are already losing apparel exports as buyers search for locations that offer

lower production cost and other advantages. Figure 1-3 shows U.S. import market shares for

preferential apparel suppliers from North America, the Caribbean, South America, Africa,

and the Middle East. From 2002–2007, market share for these regions fell by a third, despite

the growing number of countries receiving benefits (e.g., through the CAFTA–DR, the U.S.–

Morocco Free Trade Agreement, or Egypt’s Qualified Industrial Zones). However,

preferential suppliers Egypt, Morocco, Jordan, Haiti, and Nicaragua have gained or

maintained their sales in nominal terms.

All other preferential suppliers from Africa to South America have lost sales in dollar and

market share terms, underscoring that a major benefit of preferential access was eliminated

with the end of quotas that restricted most of the largest suppliers.

The reduction in quota benefits for preferential suppliers has put more emphasis on rules of

origin, which specify the source of fabrics and yarns that confer tariff preferences on

products entering the U.S. and EU markets. Rules of origin require suppliers to purchase

materials from certain countries that may or may not be the most competitive suppliers as

determined by cost, delivery, and quality. Flexible rules of origin permit purchases from the

most competitive suppliers. The interest in using such rules to manage trade is apparent in

the current EU debate over revising its rules of origin to include value-added criteria that

can be tailored to a country’s stage of industrial development. As competition in the major

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markets increases, more countries can be expected to seek more flexible preferential

benefits by negotiating special exceptions (derogations), tariff preference levels, and liberal

value-added requirements. However, it should be noted that improved market access is

rarely a substitute for competitiveness based on efficiency, delivery, and service and instead

complements these factors. This fact was underscored in the prior section, where it was

shown that many countries that lack preferential access are realizing the highest growth

rates in the post-quota world (e.g., China, India, Vietnam, Indonesia). A strategy based on

preferential access alone cannot be sustained in a continually changing global market.

Figure 1-3

Global Positioning Of the Garment Industry

The garment industry can be seen as a supply chain consisting of a number of discrete

activities. Increasingly the supply chain from sourcing of raw materials via design and

production to distribution and marketing is being organized as an integrated production

network where the production is sliced into specialized activities and each activity is located

where it can contribute the most to the value of the end product.

When the location decision of each activity is being made; essential variables like costs,

quality, reliability of delivery, access to quality inputs and transport and transaction costs

are taken into consideration.

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Hence, there has been a shift experience in manufacturing post 2005 from developing to

developed nations, as discussed under the previous topic ‘World Trade in the Garment

Industry Today (i.e. The Post-Quota Era)’ on page 7.

The entire value chain has been altered during the past decade by the emergence of very

large “lean retailers” such as Wal-Mart in the United States and Pinault-Printemps-Redoute

in Europe. These global buyers, in implementing advanced ICT in their own retailing, stock

management and ordering operations, have driven a geographic relocation of value all the

way back through the supply chain. Four decades ago, the industrialized countries

dominated global exports in textiles and clothing; these days, developing countries produce

half of the world’s textile exports and nearly three-quarters of world clothing exports

(UNCTAD, 2005). While the share of developing countries in the textile and garment trade

has been rising, the increase has been more pronounced in the more labor-intensive and

lower-value added segment of garment manufacture. Many of the high-value activities have

not migrated. According to one study, the EU textile and clothing industry has retained high

value added segments (for example, new materials, technical textiles, high-end fashion, and

sportswear) where design and research & development are important competitive factors.

This kind of innovation uses human capital (in design and marketing) more intensively than

information technology (e-businessWatch, 2005).

Macroeconomic statistics for some developed countries offer a rough and ready

confirmation: for example, according to the Bureau of Economic Analysis figures for the

United States, in the 10 years to 2004, the output of the apparel industry (in dollars)

declined by 44% whereas the corresponding decline in value added was only 11% (data last

accessed 14 March 2006). Figures are unfortunately not available for global output and

value added or GDP in textiles and apparel by country or country group. However, there can

be little doubt from case study analysis that the dominant pattern so far has been the

relocation of lower value output.

In practice, the MFA and ATC had only limited success in protecting manufacturers in the US

and EU, which continued to decline. Instead, the restrictions stimulated unintended growth

in garment manufacturing in a number of low-cost quota-free countries in Africa and Asia.

At the same time, the quota system kept garment prices higher than they would otherwise

have been, to the detriment of European and American consumers. The result has been a

highly distorted trading pattern which in the run-up to the lifting of quotas had already

begun to unravel, creating winners and losers. The losers are the countries which had

benefited from the artificial advantages created by the quota system. Ahead of quota

removal, they began to see garment factory closures and job losses as production capacity

shifted to China and other producers, including India, that were about to become free of

quotas. Many of the countries worst hit were those which were most dependent on

garment production for export revenues. The value of Chinese clothing exports to the US

had jumped 56% in the first nine months of 2005, and 44% to the EU in the first eight

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months of 2005. Tough trade negotiations began, and the protracted uncertainty caused

considerable disruption to the industry. The final result was agreements with China by mid-

2005 on new lower-level voluntary quotas that would restrict Chinese export growth into

the US and EU until the end of 2008 and 2007 respectively. Vulnerable developing country

producers have thus been given some extra time during which to adjust to a completely

quota free environment, although many will still suffer from China’s increasing market share

of exports to the US and EU, and the gains which India and Bangladesh can make now that

their exports are unrestricted. The saving grace for some low-income countries will be the

complex system of tariffs and preferential trade agreements that remains firmly in place.

Similarly, The African Growth and Opportunity Act (AGOA) offers duty- and quota-free entry

into the US until 2015 for certain textile and apparel products from designated sub-Saharan

African countries, subject to strict rules about raw materials origin. Tariffs on textiles and

clothing are generally higher than for other manufactured goods, so this preferential market

access offers many developing countries a very useful platform from which to devise a

strategy for their textiles and garments industry. In total, there are more than 100 regional

trade agreements that can affect the relative competitiveness of countries in various

industries.

Sizing In Garment Industry

History

First sewing machine was invented in the Victorian era, after the development of machine

elite class use to have a seamstress who stitched the clothes for them on sewing machine.

Before sewing machines everything was done by hand. The seamstresses went to the home

of the woman who wanted to stitch the clothes. As industrial revolution started in the 19th

century, garment industry too began to evolve but it was in its infancy and had no

developed system for garment manufacturing. Seamstresses observed that they can

develop standard patterns which can fit more than one woman. They developed a

mathematical sizing system to accommodate most women with very few patterns. As

businessmen, interested in lowering costs, they continued developing these patterns to

become paper “information systems” engineered to control quantities of exact

reproductions in cutting and stitching clothing in mass production systems.

The apparel industry grew from these tailors/businessmen, as they built manufacturing

factories for production, which pattern engineering accommodated. Pattern engineering

grew a great industry in the early and mid-20th century. Pattern making was first taught to

“apprentices” who were called “designers”. Creative designers of styles didn’t exist in the

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early 20th century. Paris was center of the developments in style and creation in garments

at that time and many other countries copied from there. Later designers created booklets

for teaching the pattern making systems mathematically – that came to be called “pattern

drafting”. One dis-advantage of mass production was that designers put little effort in

bringing new designs and patterns but they either copied or else made very little changes.

Even today the readymade garment industry does not bring too many new ideas in the

products rather it is creating mass garments to reduce cost. Garment industry has

developed many new and time saving techniques, processes and machinery for the effective

production today. The most important is the CAD/CAM which enables the designer, pattern

maker, marker and grader to do their jobs precisely and effectively.

Need For Size and Fit

Consumer satisfaction is a desirable outcome for apparel manufacturers and retailers since

satisfied customers can lead to increased store patronage, repeat purchase and brand

loyalty (Otieno, 2000a). However, dissatisfaction of men and women with fit of available

sizes in clothes has been identified in numerous countries, including New Zealand and one

of the reasons for this could be the changing dimensions of the body over time, not

accommodated by commensurate changes in apparel sizes (Winks, 1997; Goldsberry, Shim

and Reich, 1996; Ashdown, 1998). This could point to the need for sizing surveys of the

population that help to create appropriate sizing systems for manufacturers, although other

reasons such as inconsistencies in size labels or the information provided upon them could

be contributing factors (Chun-Yoon and Jasper, 1995). Approaches adopted to reduce

consumer dissatisfaction include adaptation of technology for mass customisation of clothes

or collection of dimensions for more up-to-date sizing standards. For sizing standards,

several countries have implemented sizing surveys, and specific technology such as 3D body

scanning has been employed to create appropriate sizing systems for manufacturers. Size

UK, size USA and more recently the SCALE project in Australia provide examples of this

approach to the problem of creating apparel that fits the general population.

The impact of the lack of size standards may be examined from the perspective of each of

the participants in the chain viz. the apparel manufacturer, retailer and the consumer. The

manufacturer’s decisions on sizing are influenced by the intended look and target market.

Some manufacturers have also considered the psychological aspects of the consumer,

through ‘vanity sizing’ which has been researched (for example: Lenda Jo, 2002) and also

reported in the press (for example: Martin, 2006).Thus decisions by various manufacturers

to change size dimensions has resulted in significant variations for the same size label. From

the 1consumer’s perspective the dissatisfaction regarding size and fit of clothes has been

researched, as indicated above. Despite the attempt of some researchers highlighting the

need for retailers’ to help consumers in selection of apparel through advise on fit during the

selection process and through stocking of appropriate sizes (Otieno, 2000 ), very little

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research exists on the retailers’ perspective regarding size and fit and processes adopted to

meet the consumers’ requirements. Research in this area may contribute to a better

understanding of size and fit related issues in apparel industry.

HEAD (for headwear) - Measure around the head with the measuring tape, above

the brow ridges.

TOPS

o NECK Measure your body around the base of the neck, allowing for a

comfortable fit.

o CHEST With arms relaxed at sides, measure around the fullest part of the

chest and shoulder blades.

o SLEEVE LENGTH With arm bent at 90 degrees, place hand on hip. Start at the

center back of the

o neck and measure across the shoulder to the elbow, then down to the

bottom of the cuff.

BOTTOMS

o WAIST Measure your natural waist at the height you would normally wear

your pants.

o HIPS With heels together, measure around the fullest part of the hips.

o INSEAM Measure inside the leg from crotch seam down to the desired

length, normally to the top of the ankle or top of the shoe.

Spec Development Process

Identify the Target Market: The group of people who are prospective customers are

taken into consideration. This group is based on demographics, psychographics and

geography.

Select Target Group: A group of more than 100 people is selected from this target

market.

Take-Down Sizing: The required body measurements of these 100 people are taken

in record.

Divide the Data into Different Sizes: The collected data is divided into small (S),

medium (M), large (L) and extra-large segment (XL). The difference between S, M, L

and XL is called grade rule.

Develop Dress Form on Size Medium: A sample is developed on size medium which is

then tested on a model.

Grading: Once the sample passes after testing and alteration, the medium size

pattern is graded to smal, large and extra large for production.

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Consumer Perceptions of Apparel Fit- Implications For Apparel Retailing

The role apparel fit plays in the customers’ satisfaction with apparel purchase seems to have

differing mechanisms for evaluation depending on end use of purchase. In shopping for

children’s clothes, Norum (1995) found that fit was significantly related to consumer

satisfaction and with perceptions regarding product quality. This facet was again highlighted

in another study where fit and size was cited as the aspects that parents shopping for

children complained about the most (Otieno, 2000b). Fit and size issues cited were

mismatch in dimensions across chest, arm, shoulder, waist and incorrect labelling.

However, for their own use Labat and Delong (1990) found apparel fit satisfaction related

to body cathexis(consumer’s evaluation of self and body), with fit satisfaction being lower

for hip and waist as compared to other body sites. This evaluation of fit would vary

according to the shopper profile and could provide some opportunity for the retailer to play

a role. Customers are likely to select stores for apparel purchase based on their perception

or experience regarding the range, sizes and fit of apparel offerings. Specialised niche stores

and store image was found to be related to customer demographic variables such as race,

income and marital status (Gagliano and Hathcote, 1994). Demographic characteristics have

been found to influence fashion attitudes and store patronage.

Role of Size and Fit in Consumer’s Apparel Purchase Decision Making Process

Eckman, Damhorst and Kadolph (1990) proposed a three stage decision-making process for

apparel consisting of interest phase, trial phase and decision phase. The interest phase in a

garment was influenced by factors such as colour, styling and fabric, but the trial phase was

influenced by fit, styling and appearance. When the purchase decision was positive, reasons

provided were fit and appearance, but when an apparel item was rejected the reasons

provided were, fit, styling and appearance. As observed by the authors, fit may be strongly

related to aesthetic criteria in that fit affects perception of line, shape and appearance on

the body. Thus fit and its’ influence upon appearance seem to play an important role in the

decision making 2process of the consumer. Eckman, Damhorst and Kadolph (1990)

recommend that sales personnel may require training to help them positively reinforce and

service clients on these criteria and to provide influential product information at the

appropriate stages of the purchase decision making process. However, this facet remains

unexplored from the retailers’ perspective.

Role of Size and Fit Skills in Apparel Retailing

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The relevance of various selling skills for apparel retailers was investigated by Garner and

Buckley (1988) and they found that skills relating to fashion merchandising knowledge,

including salesmanship, consumer behaviour and communication were rated above textiles

and product knowledge. However, knowledge of ready to wear sizing and knowledge of

garment fitting and alteration were also perceived as important. Fair, Hamilton and Norum

(1990) suggest that while there has been a shift away from requirements for specific

product knowledge, the ability to communicate product knowledge is seen as important.

The relevance of skills in fit assessment needs to be examined in the context of selling skills

identified in personal selling literature where research has been done on factors

contributing to selling effectiveness. Selling skills has been viewed as comprising of three

distinct components: Interpersonal skills such as knowing how to cope with and resolve

conflicts; salesmanship skills such as how to make a presentation and close a sale; and

technical skills such as knowledge of product features, benefits and procedures required by

the company (Ford et al., 1987; cited in Rentz et al., 2002). Rentz et al. (2002) found that

self-ranking on sales and quota performance were correlated with high levels of score on

the three skill components. Highest factor loadings were reported for knowledge of product

line under technical knowledge, ability to present the message and close the sale under

salesmanship skills and awareness and understanding of the nonverbal communication of

others under interpersonal skills. Extending this model to the apparel context, it could be

postulated that knowledge of fit assessment and product line could be one of the key

components of technical and salesmanship skills and could be expected to play a key role on

the perceived performance by the retail sales person.

Thus, there appears to be an information gap on the relevance and contribution of size and

fit assessment skills towards a sales person’s effectiveness

Terms, Definitions and Body Measurement Procedure

The first part of the standard defines the list of body dimensions to be used for designating

clothes sizes, together with an anatomical explanation and measurement guidelines. All

body dimensions are measured, preferably without or as few as possible clothes, in

centimetres, except for the body mass.

The standard also defines a pictogram that can be used in language-neutral labels to

indicate one or several of the following body dimensions.

Head girth: maximum horizontal girth (circumference) of the head measured above

the ears

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Neck girth: girth of the neck measured with the tape measure passed 2 cm below the

Adam's apple and at the level of the 7th cervical vertebra

Chest girth: maximum horizontal girth measured during normal breathing with the

subject standing erect and the tape-measure passed over the shoulder blades

(scapulae), under the armpits (axillae), and across the chest

Bust girth: maximum horizontal girth measured during normal breathing with the

subject standing erect and the tape-measure passed horizontally, under the armpits

(axillae), and across the bust prominence (preferably measured with moderate

tension over a brassiere that shall not deform the breast in an unnatural way and

shall not displace its volume)

Under-bust girth: horizontal girth of the body measured just below the breasts

Waist girth: girth of the natural waistline between the top of the hip bones (iliac

crests) and the lower ribs, measured with the subject breathing normally and

standing erect with the abdomen relaxed

Hip girth: horizontal girth measured round the buttocks at the level of maximum

circumference

Height: vertical distance between the crown of the head and the soles of the feet,

measured with the subject standing erect without shoes and with the feet together

(for infants not yet able to stand upright: length of the body measured in a straight

line from the crown of the head to the soles of the feet)

Inside leg length: distance between the crotch and the soles of the feet, measured in

a straight vertical line with the subject erect, feet slightly apart, and the weight of

the body equally distributed on both legs

Arm length: distance, measured using the tape-measure, from the armscye/shoulder

line intersection (acromion), over the elbow, to the far end of the prominent wrist

bone (ulna), with the subject's right fist clenched and placed on the hip, and with the

arm bent at 90°

Hand girth: maximum girth measured over the knuckles (metacarpals) of the open

right hand, fingers together and thumb excluded

Foot length: horizontal distance between perpendiculars in contact with the end of

the most prominent toe and the most prominent part of the heel, measured with the

subject standing barefoot and the weight of the body equally distributed on both

feet

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Body mass: measured with a suitable balance in kilograms

Pattern Making

Introduction

The appearance and fit of a garment is highly dependent on each process. Patternmaking is

one of the earliest steps in the development of a garment. It is a craft that has evolved over

the centuries into a skilled technical process. Today, patternmaking tools have been

carefully tailored to quickly perform repetitive time-consuming tasks, allowing apparel

companies to cater to the fast paced world of fashion. Now days sophisticated software

programs are used for pattern making.

History

Prior to the Industrial Revolution the art of patternmaking was highly revered. Tailors

meticulously worked with their client's personal measurements to customize patterns.

Clothing made by tailors was elaborate and relegated only to the very rich. With the onset

of the Industrial Revolution, standardized patterns were essential to the success of ready-to-

wear clothing. Initial attempts to create standardized patterns resulted in poorly fitting

garments with little detail. Men's suits were boxy, plain, ill-fitting sacks. After lengthy

experimentation and standardized sizing, patternmaking made a triumphant transformation

from customization to standardization.

Patterns can be formed by either a 2D or 3D process. Often a combination of methods is

used to create the pattern. The most common 2D patternmaking methods are flat, drafting

and reverse engineering. In the flat method, a pattern is generated from an existing

foundation pattern called a sloper or block. A sloper is a pattern that has no seam

allowances or style lines. From a sloper a myriad of garment styles can be generated. The

patternmaker creates a new style by adding design details such as a collar, pocket and

pleats. The flat patternmaking method is widely used in the ready-to-wear market because

it is fast and accurate.

In the drafting method, patterns are made directly from measurements taken from a pre-

existing garment, an individual or a body form. Using the collected measurements, the

pattern is drawn directly onto paper.

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Reverse engineering is sometimes referred to as garment deconstruction or a knock-off. In

the reverse engineering process, patterns are made from an existing garment. The garment

is taken apart, analysed and the patterns pieces are made.

In the 3D patternmaking process, the pattern pieces are generated from a 3D form. Draping

is one of the oldest methods used to generate a pattern. In the traditional draping process,

a garment is produced by moulding, cutting and pinning fabric to a mannequin or individual.

Style lines and constructions details of the drape are carefully marked and removed. Fabric

pieces with the construction and style details are generated. The fabric pieces are then laid

flat over pattern paper and traced. The pattern is finalized by adding directional markings

such as grain-lines, notches, buttonholes, correct seam and hem allowances and facings.

Draping is especially helpful when developing intricate garment styles or using unusual

fabric.

Computers have been used by apparel companies since the early 1980's. Pattern Design

Systems (PDS) have become invaluable tools to the patternmaker, assisting in much of the

repetitive tasks associated with patternmaking. PDS systems are capable of storing an

incredible amount of data that can be quickly retrieved, tweaked and re-filed. Using a

mouse or stylus, patternmakers are able to swiftly add style details and make changes.

There are many benefits to PDS - speed, accuracy and ease of data transmission being some

of the most obvious. In today's competitive environment, software companies are zeroing in

on the growing demands of the apparel manufacturer.

The ability to mass produce customized patterns according to an individual's unique body

shape could offer tremendous benefits to the consumer, retailer and apparel manufacturer.

The textile industry continues to research this exciting field with a long term goal of bringing

superior fit and performance to the customer.

The apparel industry is notoriously fast-paced and competitive. Innovative software

companies continue to make improvements to their PDS to enable apparel companies to

better serve their customers. Current research focuses on generating patterns that produce

better fitting garments and 3D visualization tools to help fine tune style. With on-going

technological advances and diligent research, patternmaking software companies continue

to successfully address the needs of their customers.

Pattern Making Process

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Pattern grading is the scaling of a pattern to a different size by incrementing important

points of a pattern to smaller or bigger sizes.

Once a designer has completed a drawing of a garment, it is transformed into a sample

pattern. "Patternmaking" is the process of creating all the correctly sized pieces needed to

make a complete garment. For many smaller manufacturers, pattern making is still done on

paper because the cost of computerized systems remains prohibitive.

The patternmaker may use one of the following techniques to develop a sample pattern.

S/he may "manipulate" a new pattern by using geometric rules to modify or alter existing

pattern pieces. S/he may translate a design that has been "draped" and pinned on a dress

form by converting the shapes of the draped garment sections into paper pattern pieces.

Alternatively, s/he may pin pieces of muslin to a garment being copied and rub tailor's chalk

over the seams and darts, making a "muslin rub." The chalk markings are then used to

create a flat paper pattern.

From this initial pattern, a sample garment is developed. The sample process allows a

designer to correct any problems inherent in translating a one-dimensional sketch into a

two-dimensional garment; it ensures that the designer's fabric yardage specifications are

accurate; and it provides an opportunity to spot potential production problems inherent in a

design. Once the sample is made, the manufacturer makes a small batch of duplicates for its

sales force to test market. If they sell well, the garment goes into larger volume production.

Although many firms still make patterns by hand, larger manufacturers make production

patterns on a computer using CAD software. Other systems have been developed that allow

patternmakers to create patterns manually by using a life-sized, sensitized table and a stylus

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attached to a computer. As the patternmaker indicates points with the stylus, the pattern

pieces are automatically entered into the CAD system where they can immediately be

accessed for grading and marking. Although pattern making is becoming increasingly

computerized, patternmakers still must learn the manual method because making patterns

manually develops an advanced understanding of garment construction, knowledge that

cannot yet be replaced by a computer.

Types of Pattern Making in garment manufacturing

There are various types of pattern making in garment manufacturing.

Block Pattern

Block pattern is a basic pattern

without any style features and

incorporates the measurements,

proportions and posture of the body

for which garments, developed from

this pattern, are intended. Block

pattern can be developed by either of

the following methods.

The flat method

The components of the pattern,

usually the body and sleeve, are

constructed by a draft(technical

drawing) which incorporates the measurements and proportions of the

particular system used by the pattern maker. It cad be produced by a

computer.

Modelling

It entails the fitting of the block garment usually in toile, on a workroom

stand of the appropriate size, when the fit balance are satisfactory, motile is

removed from the stand and each component is copied on to pattern paper

and the necessary making up allowances added.

Garment Pattern

The styled patterns used for cutting the original sample garments can be

developed by a variety of means, including the flat method, modelling or a

combination of both. When using the flat method, the pattern maker

introduces style lines of the garment on to a copy of the block pattern,

performs the necessary manipulation and then adds the requisite sewing and

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other allowances to each component.

Notches are made in related

components in the seam lines as

guides for alignment and matching

during sewing and make-up.

Computerised Pattern Making

At most large manufacturers, patterns

are made on a computer with

computer aided design (CAD) systems,

the pattern maker manipulating small

graphic patterns on the computer

screen with a hand-held control device.

Geometry drives can make an infinite

number of changes to the shapes and sizes the pattern including creating new design

lines or adding pleats, fullness, and seam allowances. To allow pattern makers to

make patterns manually on a computer, another system has been developed

allowing the pattern maker to work life size on a sensitized table with traditional

tools and stylus that is attached to the table and the computer.

The stylus picks up the lines drawn on the table and shows them on the screen.

Changes can also be made directly on the screen. In both cases, patterns are

immediately available for other operations such as grading and marker making. The

essential features of this technology are pattern design and pattern generation

systems.

Pattern design system the pattern maker inputs to the system all the block patterns

in current use and with the aid of the computer can construct garment patterns from

them. Pattern generation system when the pattern components for the top cloth

have been developed on the computer via pattern design system. The pattern

generation programmer automatically generates the pattern for auxiliary

components such as linings and foibles.

Pattern Making Technique

Pattern making is a highly skilled technique which calls for technical ability, and a sensitivity

to interpret a design with a practical understanding of garment construction. For successful

dress designing patter making forms the fundamental step. This function connects design to

production by producing paper templates for all components such as cloth, hemming,

fusibles etc. which have to be cut for completing a specific garment.

There are three methods of preparing patterns:

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Drafting: Is a two dimensional basic method of preparing a paper pattern. The

pattern is prepared on brown paper using personal measurements of the wearer.

The garment prepared by this method fits exactly to the satisfaction of the wearer. It

is economical to draft one's own pattern. Also changes in style can be made adopting

the basic pattern.

This type of pattern can be constructed by drafting manually or produced by a

computer which has been programmed to construct basic patterns according to

given measurements and proportions.

Draping: Draping can be treated as one involving a detailed survey and study of the

figure to build up a reliable fitting experience. Draping originally was called

modelling. This was the original method of constructing garment patterns and is still

widely used in the clothing design houses in Paris Draping is a free approach and is

always to a certain extent experimental and cannot be described as a precise

technique.

Modelling is done in a fitting room on a dressform with a stand. Dressforms vary in

size. Generally an average sized dress form of bust 88 cms or 92 cms is selected for

this purpose. The designer works from a sketch or a mental picture and gives a 3-

dimension form to an idea of a garment. The wrong side of the fabric is draped on

the dressform or a figure. The effect of the fabric as it flows and drapes is readily

visible on the dress form. Muslin cloth is used for draping. As the fabric is draped on

the dress form pin, and mark the stitching line with a pencil. The muslin pattern

which is the end product of draping is removed from the stand and each component

is copied on to the paper pattern and necessary allowances are then added to give

the design effect as planned by the designer.

Bought or Commercial Patterns: These patterns provide fashions in current trend

designed to fit certain sizes. It is available in tissue paper. These patterns indicate

neck sizes for garments such as shirts, chest or bust measurements for children and

women; waist, hip and length measurements for pants and skirts. Even to those with

the ability and desire to design their own clothing, a commercial pattern makes a

good starting point.

These patterns explain the steps in using the pattern and are mostly used by dress

manufacturing companies. It also gives information on suitable fabrics, quantity of

material required, pattern layouts etc. Most figures differ considerably from the

average. Uses of Paper Patterns:

Paper patterns are useful not only to the beginner but also to the expert as

there is no risk of the material being wrongly cut.

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It is particularly useful to the beginner as it is a better method of learning

than cutting the material directly.

Paper patterns can be preserved and used whenever required and is

therefore time and labour saving.

Adjustment in paper patterns can be done to ensure perfect fitting.

By using the basic paper pattern it is possible to bring changes in the design.

For example the basic sleeve can be adopted to puff or bell sleeve.

The use of paper pattern will enable one to cut a garment with a minimum

amount of fabric because it is possible for the dress designer to try out the

placement of pattern pieces in an economical way.

Contents of Paper Patterns

Margin: Extra safety margins are cut beyond the actual cutting line to make

adjustments while stitching. Margins are generally allowed on upholstery items such

as sofa slip covers.

Cutting line: This is the actual line on which garments are cut.

Stitching line: Paper pattern shows the exact stitching line so that the person

stitching the garment will identify where exactly the actual stitching has to be done.

Fold line: When there are two sides to a pattern such as back & front side then the

fold line on the pattern has to be clearly indicated marking it as Fold Line.

Grain line: Every pattern piece has an arrow indicating the grainline - whether the

fabric has to be cut on straight or cross grain, Collars, cuffs and other trimmings are

cut on the cross grain to give a better finish to the garment.

Construction details: Tucks, darts, button holes, centre front, centre back, pocket

markings, buttons, style features of the garment are all shown on the paper pattern'

Graceful curves and shapes wherever required on the paper pattern are also clearly

indicated.

Pattern size and particulars like front, back, sleeve, collar, cuff etc are shown.

If necessary the pattern can also suggest and explain the steps in preparing the

garment like marking, cutting and stitching the garment. This is generally done in a

commercial pattern to enable the sewer to use the pattern correctly.

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Pattern Grading

Introduction

Patterns initially are made in only one size. In order to produce clothing that fits various

body types and sizes, the pattern pieces must be increased or decreased geometrically to

create a complete range of sizes. The process of resizing the initial pattern is called

"grading." Each company determines its own grade specifications for each size, and size

specifications vary slightly from manufacturer to manufacturer.

Grading is the method used to increase or decrease the sample size production pattern to

make up a complete size range. For example, the sample size 10 patterns must be made

larger to accommodate sizes 12, 14 and 16 and smaller for sizes 8 and 6. Each company sets

predetermined grade specifications, or rules. For example, a missy manufacturer’s grade

rules might call for increments of one and a half inches in width and a quarter inch in length

for each size.

Today most manufacturers grade pattern on CAD systems. The pattern maker guides a

cursor around the edges of the sample pattern on a digitized table. At each of the key

points, he or she pushes a button to record a grade point. Each point is cross referenced by

a grade-rule table stored in the computer, which enlarges or reduces the pattern

automatically according to the predetermined direction. If the pattern was originally made

by computer; data are already in the computer and can be enlarged or reduced

automatically.

Pre-programmed grade rules for increase or decrease are automatically applied to the

pieces of each grading location. Then the computer can print out the pattern in each new

size. Manufacturers often use an outside service to make patterns, grade patterns, and

make the marker.

Although many small firms still use traditional grading methods, grading, like patternmaking,

is becoming increasingly computerized. Using a CAD system, the pattern can be resized

according to a predetermined table of sizing increments (or "grade rules"). The

computerized plotter can then print out the pattern in each size. Because the productivity

gains are so great, small to medium-sized manufacturers are beginning to acquire their own

CAD systems for grading.

Alternatively, they may use an outside grading service to perform this function.

Shrinkage Incorporation in Pattern Grading

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Grading and shrinkage incorporation in a pattern is very important and plays a big role in

not only getting correct fit and drape of a garment but also measurements as graded specs.

Pattern grading is a technique of scaling a pattern to reproduce a pattern in other sizes. It

must be done accurately. To properly fit a pattern to a range of sizes, each pattern piece

needed to be graded, or systematically increased or decreased. The purpose of grading is to

proportionally increase or decrease the size of a pattern, while maintaining shape, fit,

balance and scale of style details. It’s important to remember that grading only makes a

shape larger or smaller and isn’t intended to change a shape. Grading also reflects the fact

that individuals of different sized are proportionately different, not uniformly different.

Terms;

Stacking or “0” point for grading :For grading it is important to have stack point

which will define the “x” or “y” grading of pattern. It is defined as “0” point located

at the centre of the pattern of a Front, back or sleeve panel. For centre front it is

perpendicular to the centre of check line. For sleeve the “0” point is centre of sleeve

at the bicep line.

Length Grade:

Front and back neck drop is applied to shoulder neck point. Shoulder line

should remain parallel between sizes.

Body length is distributed between the shoulder neck point and the bottom.

Grading is divided between shoulder/beck point, neck drop, armhole, waist,

hip and bottom. Body length combined grading is total of centre front length

and neck drop.

Neck width is applied at the shoulder neck point it is always parallel to check

line.

Armhole curve is combined measurement of armhole width and armhole

height grade

Sleeve Grade

Sleeve armhole is combined measurement of sleeve cap height grade and

sleeve bicep grade along the armhole curve.

Sleeve length from shoulder is distributed between the sleeve cap and

bottom sleeve edge. Sleeve cap grade is applied above bicep line and sleeve

cap while balance length is divided between bicep line and sleeve cuff.

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Shrinkage

When fabric is cut for making garments, it is important to ensure that fabric is fully relaxed

and is not subjected to any additional tension or strain during rolling or unrolling while

layering for cutting. So fabrics are often relaxed prior to cutting to ensure that the shrinkage

is minimized in a garment. Garments which are unwashed and can shrink while laundering

at customers end are made with measurements with shrinkage tolerance included. Woven

fabric garments typically shrink just a little. This will usually be about 2-3% which is fairly

unnoticeable. Knits that are not garment dyed will be more affected by washing and drying.

Shrinkage for knit fabrics can be anywhere from 1-8% and 95% of this shrinkage will take

place the first time it is laundered. In these cases shrinkage is incorporated in all the

patterns of a garment. This shrinkage incorporated in patterns could be lengthwise or width

wise depending on type of fabric.

Shrinkage Adjusting

Shrinkage adjustments should not distort the original shape and balance of the patterns.

When shrinkage is applied to a panel in garment all corresponding patterns must also be

applied with shrinkage adjustments.

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TASK TWO

Project Brief

Students are expected to do the research work in library , garment industry correlating the

classroom teaching on fabric , fabric storage , cutting , lay planning , line balancing ,

pressing , labelling , packing etc. in the garment industry with the reference study material

to write the written document of the complete work. The written work is suggested to be

supported by charts and graphs for analysis purpose.

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Pre-Production: Fabric Selection

Introduction

Clothing refers to the various articles used to cover the body. Apparel may be divided into

two classes. First one the desire for warmth and for protection against elements, Secondly

the desire for satisfaction we receive from wearing clothing that makes us appear to

advantage. Baby's cloths need not be full of frills or elaborate, since the baby's comfort

should be the main criterion. Their clothes are meant to protect them from colds and chills,

while allowing enough freedom of movement for the limbs. Clothes should not be tight as

they will hamper the circulation and breathing

The appearance of a garment is greatly influenced by the fabric used for construction, not

all fabrics are suitable for all garments. To choose a suitable fabric for a specific end use calls

for basic knowledge in fabric construction and types of fabrics available in the market.

Fabrics are produced mostly from yarns. Few fabrics are directly produced from fabrics.

Fabrics are made from yarns and are constructed mostly either by weaving or knitting. In

Indian market, seventy percent of the fabrics are produced by weaving. Among the other

fabric constructions, lace making is worth mentioning. Felts are fabrics made directly from

fibers without making yarns.

Common scenarios of fabric selection;

Infant Clothing

Baby skin is very sensitive. Clothes must be soft and pliable to be really comfortable.

Hence soft, knitted, fabrics are popular. Cotton fabrics are suited for babies.

Synthetic are not absorbent and cause irritation for summer, simple cotton dresses

are suitable in the winter, a cotton dress is worn and on over it woolen garment can

be worn for comfort.

Toddler

The clothes for a toddler should be designed so that it gives mainly protection and

comfort. A toddler learns to stands, sit, creep, crawl, walk and climb. The clothes

toddler wear should allow them to move freely and comfortable. The clothes should

be light in weight but should give warmth. Soft, smooth, fabric which do not collect

soil and dirt would be ideal.

Pre School Child

At this age of 3 to 4 years the child become interest in its clothes, so selection should

be done carefully where the child learn mostly through clothes. Bright colours and

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their favourite colours red, yellow, blue and green are preferred by children. Play

clothes should be more in their wardrobe.

A Preschool child clothes should be appropriative, durable and comfortable. Cotton

for summer wear, woollen for winter and teri-cot, silk materials can be worn with

cotton lining.

For Adults

Petticoats are generally are under wear garments which are worn next to the skin.

They should be absorbent and smooth which give comfort to the wearer. Generally

cotton, poplin, thin cambric, satin or rayon varieties can be worn. Slightly thick

variety of cotton handloom material can be used for petticoats for children.

Fabrics used in garment manufacturing can be categorised into two groups: properties and

characteristics. A property is a static physical dimension such as yards per pound; whereas,

characteristic is the reaction of the fabrics when a force is imposed up on it. Elongation,

elasticity, shrinkage and seam strength are examples of characteristics. These are measure

of reactions to dynamic conditions. Characteristics are physical or chemical changes in the

fabric resulting from the application of outside forces.

General Considerations of Fabrics

The apparel producer is interested primarily in the characteristics of a fabric. Although fabric

characteristics are related to fabric properties, a fabric property is of no interest to the

apparel manufacture unless it controls a fabric characteristic or cost factor vital to him, or

unless the property itself such as thickness or weight, has definite utility or style value.

There are three viewpoints to stipulating fabric selection;

The consumer’s view point

The fabric producer’s view point

The garment producer’s view point

The consumer’s interests lies solely in the appearance and wear ability characteristics of the

fabric; the durability, utility and style values. The garment producer is interested in the

garment production working characteristics of the fabric, the cost of producing a given

garment with the fabric. If the garment producer is a jobber or manufacturer who sells the

garment directly or indirectly to consumers, he will be interested, also, in all the consumer

values. If the garment producer is a contractor his interest lies only in the field of the

production cost aspect of the working characteristics. The same applies to the fabric

producer. If he fabricates cloth for garment manufactures, he must consider garment

production work characteristics. However, if the fabric producer makes cloth for over the

counter retail sales, he does not have to consider whether the working characteristics are

good enough to produce the garment with industrial equipment and methods.

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Fabric Identification for Garment

Designers and merchandisers may go to major fabric markets to collect ideas, check trends,

examine few products, and seek sample yardage. Fabrics may be designed and developed

by apparel designers or merchandisers and ordered from mills or converters according to

the apparel manufacture’s specification. Acquisition of piece goods is accomplished after

fabric samples and product specifications have been examined and lead times. Minimums,

delivery dates, put – up, and price have been negotiated. Identification of appropriate

fabrics is based on product information and testing provided by fabric vendors and/or

testing and product development conducted by apparel manufacturers. Sources of

information include fabric samples, specifications, and certification.

Apparel Fabric for Women’s and Children’s Wear

In the purchase of their apparel most women seek primarily for “look rightness and

serviceability”. For outer apparel look – rightness is probably the first consideration.

In the purchase of underclothing and children’s wear, serviceability is commonly the

first consideration, although look – rightness is nearly always a factor, too.

Serviceability is a combination of suitability of fabric and the quality of garments

construction. Differences in weight automatically limit some fabrics to particular

seasons and uses. In summer thin fabrics, such as voile, eyelet, batiste, sheer, creeps

and chiffons, in winter, for heavier materials such as wood tweeds, homes puns,

velvet, corduroy, and fur like fabric. Some stiff fabrics look better when a crisp

appearance is required; soft and clinging fabrics are appropriate when slinky, draped

effect is desired; rich and luxurious fabrics look best in the evening; washable fabrics

appear to advantage when worn in the house, in garden, and for sports.

Apparel Fabric for Men’s and boy’s Wear

Men's wear may be classified as: Men's clothing and Men's furnishings. A similar

division may be made for boy's wear. Work clothing is often treated as separate

classification. Men's and boy's furnishings are composed of similar articles, the chief

of which are shirts, sleepwear, underwear, hosiery, robes, ties, hand kerchiefs, belts,

suspenders, garters, muffles and scarf, sweaters and bathing suits. Men's jewellery

(non - textile) such as cuff links, studs, tie clips and stickpins, are also commonly

included in the classification. Men's clothing includes garments such as suits,

topcoats, cover coats, jackets and slacks. Boy's clothing includes suits, topcoats,

overcoats, jackets, and raincoats. With the emergence of fashion as selling force,

there are more divisions of men's and boy's section in department and specialty

stores.

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Pre-Production: Fabric Relaxation

Relaxing” refers to the process that allows material to relax and contract prior to

being manufactured. This step is necessary because the material is continually

under tension throughout the various stages of the textile manufacturing process,

including weaving, dyeing, and other finishing processes. The relaxing process

allows fabrics to shrink so that further shrinkage during customer use is minimized.

Garment manufacturers perform the relaxing process either manually or

mechanically. Manual fabric relaxing typically entails loading the bolt of fabric on a

spinner and manually feeding the material through a piece of equipment that relieves

tension in the fabric as it is pulled through. Mechanical fabric relaxing performs this

same process in an automated manner.

Many garment manufacturers will also integrate quality assurance into this process

to ensure that the quality of the fabric meets customer standards. This step is

performed by manually spot-checking each bolt of fabric using a backlit surface to

identify manufacturing defects such as color inconsistency or flaws in the material.

Fabrics that fail to meet customer standards are returned to the textile manufacturer.

Pre-Production: About Fibers, Yarns And Fabrics

Fibers, yarns and fabrics used by the mills and manufacturers to create apparel products

and accessories are raw materials. Fabric is produced from natural fibers or manufactured

filaments that are spun, twisted, cured, shrunk, bulked or manipulated in other ways to

create in other ways to create yarn for weaving or knitting. Yarns are woven, knitted,

knotted and twisted or felted in different formations to produce a variety of fabrics.

Fibers

The smallest unit of a fabric structure is a fiber. The minimum length to width ratio for a

fiber is 100 to 1. Fibers used in apparel products are cellulose derived from plants, protein

from animals or synthetic chemicals.

Fibers are available in staple and filament forms.

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Filament

Comparatively long fibers that are measured in meters or yards that are used as

filaments or cut into staple (tow) to be spun into yarns or woven, knitted or

processed into non-woven fabrics. The only natural filament fiber is silk, typically

1,463 meters in length. All others are synthetic.

Staple

Short fibers measured in millimetres or inches ranging from 5 millimeters to 500

millimeters in length. Staple length fibers appear naturally in celluslosic fibers such

as cotton or flax. They may also be cut from filament fibers. Staple fibers are spun

into yarns or made into fabrics.

Some fibers are also called tow. Tow are synthetic fiber strands that are cut down into

staple lengths, ranging from 2.5 millimeters to 203 millimeters, to be spun into yarns or

used to make fabrics.

Classification of fibers based on their origin:

Cellulosic Fibers

Fibers made from cell wall of seeds, leaves, stems, or bast.

Example;

Cotton

Flax / Linen

Jute

Ramie

Hemp

Sisal

Protein Fibers

Fibers that are naturally found in animal hair, feathers and silk.

Example;

Alpaca

Angora

Camel Hair

Cashgora

Cashmere

Down

Horsehair

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Llama

Mohair

Silk

Vicuna

Wool

Synthetic Fibers

Fibers composed of monomers linked together to form polymers.

Example;

Acrylic

Aramid

Elasterell-p

Lastrol

Modacrylic

Nylon

Olefin

Saran

Cellulosic and protein fibers are natural fibers and synthetic fibers are manufactured fibers.

Some fibers derived from cellulosic fibers become manufactured fribers during processing.

Example; acetate, viscose, rayon, lyocell, bamboo and azlon.

Yarn

A yarn is composed of staple or filament fibers conductive to the formation of textiles by

weaving, knitting or knotting, or chemical, thermal or mechanical bonding. The composition

of a yarn consists of fiber content, fiber length, ply and twist.

Singles Yarn

A yarn formed by twisting fibers or multiple filaments together. When the yarn is

twisted in the reverse direction, the fibers can be pulled from it. A singles yarn can

also consist of one continuous filament fiber.

Ply

A twisted strand of two or more singles yarns. The number of ply depends on the

qualities desired in the yarn:

Strength

Smoothness

Diameter

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Construction

Use

Twist

The number of turns applied to a yarn to hold the fibers together.

Z-twist: The direction in which the twist of a yarn is applied. Z- twist yarns,

when held vertically, create spiral diagonal lines that extend from left to

upper right, forming same type of line as indicated by the midlle section of

the letter Z. these yarns become tighter when twisted on their axis in the

right direction.

S-twist: S yarns, when held vertically, create spiral diagonal lines that extend

from right to the upper left, forming the same type of line as indicated by the

middle section of the left. These yarns become tighter when twisted on their

axis in the left direction.

Turns per inch/meter/centimetre

The amount of twist added to a length of yarn when one end is rotated while the

other is held stationary. The amount of twist added to a yarn affects the;

Abrasion resistance

Appearance

Cost

Performance

Strength

Yarn Number

Method for measuring the fitness of a yarn. Yarn number systems include direct and

indirect.

Direct Yarn Number: Yarn number system for measuring the mass/weight per unit

length of filament yarn; the larger the yarn the higher the number. This is used to

measured filament yarns. The direct yarn number system is further delineated into

the following;

Denier: Used to describe the mass per unit length of filament yarns

Tex: Used to describe the mass per unit length of spun yarns made from silk

or manufactured fibers

Kilotex: Used to describe the mass per unit length of thick spun yarns made

from silk or manufactured fibers

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Decitex: Used to describe the mass per unit length of fine filament yarns

Indirect Yarn Number: Yarn number system for measuring the length per unit of

mass/weight of spun yarn made from staple fibers; the finer yarn, the higher the

number. This system is used for measuring cotton, linen, abd wool yarns. The

indirect yarn number system is further delineated into the following;

Cotton Count: Used to describe the length per unit of mass/weight of cotton

and cotton blend yarns.

Lea: Used to describe the length per unit mass/weight of linen and linen-like

fiber yarns.

Metric: Used to describe the length per unit mass/weight of all spun yarns.

Run: Used to describe length per unit of mass/ weight of coarse woollen

blend yarns.

Worsted: Used to describe the length per unit mass/weight of fine worsted

wool, worsted wool blends and acrylic yarns.

Yarn Specifications

A yarn specification is a detailed list or description of the standards to be met as well

as the means for determining whether requirements for the material or product are

satisfactory or not. Yarn specifications include;

Dye specifications and colour standards

Fiber content

Yarn type

Yarn structure

Yarn twist

Number of turns per inch

Single or number of plied yarns

Yarn number and yarn number system

Strength and elongation requirements and tolerances

Tolerance for yarn defects and threshold levels for acceptable degree of

irregularity

Fabrics

Fabric structure is the result of the process by which fiber or yarn becomes cloth / fabric /

textile. Fabric structures range from woven, knit, nonwoven, braided or knotted materials.

Any combination of finishes or treatments may be applied to the fiber, yarn, or goods at one

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or more stages of production, whether for functional, decorative or permanent purposes.

Finishes and treatments affect the hand, weight and texture of the finished material.

Variations and combinations of fiber, yarn, construction and finish determine the design

potential of the finished fabric, including how it may be draped.

Fabric selection for garments depends on:

Design and style of the garment

Type of garment

Purpose, function and use of the garment

Care of the garment

Addition of findings and trimmings

Method of construction

Classification of fabrics based on fabric structure;

Woven

All woven fabric s possess a weave structure. This the manner in which warp and

filling yarns are interlaced at 90-degree angles tpo each other to form a woven

fabric. The method used to interlace the yarns determines the weave structure.

Fabric width depends on the size of the loom or the manufacturer’s specifications.

The number of harnesses determines the construction of woven goods. A harness is

the mechanism on a loom that looks like a rectangular frame that holds the

heedless, needle like wires threaded with yarns. The harnesses are raise and lowered

to create a path for the shuttle to pass through during the creation of woven

material. Two harnesses for plain, three or more for twill, five to twelve for satin and

as many as forty for jacquard. Types of weave structures;

Plain Weave: A basic weave structure in which

filling yarns are passed over and under each

warp yarn alternating each row. Plain weaves

can be balanced (the number of warp and filling

yarns are identical in numbers, size and type)

and unbalanced (the number of warp yarns is

different in size, type or number from the filling

yarns, giving the fabric a ribbed texture.

Twill Weave: A basic weave structure in which the filling yarn is carried over

two or more warp tarns then under one or more yarns to the left or right in

subsequent rows. Right hand twill weaves create diagonal line that extends

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from the lower left to the upper right.

Left hand twill weaves create a

diagonal line that extends from the

lower right to the upper left. Tiwll

weaves can be even (the number of

filling yarns passing over and under

the warp yars is the same), uneven

(the number of yarns on the afce of

the fabric is different from those on

the back. Uneven twill fabrics can be

warp-face or weft-faced), warp-face

twill (the warp yarns create the diagonal effect because more of these yarns

are on the surface of the fabrics) and Weft-faced twill (the filling or weft,

yarns create the diagonal effect because more of these yarns are on the

surface of the fabric).

Satin Weave: A variation of an extremely unbalance twill weave having four

or more yarns float on the surface before passing under one yarn. Satin

weaves can be warp-face or weft face.

Leno Weave: An advance weave structure in

which a pair of warp yarns is twisted back and

forth, creating a loop in which the filling yarn

is caught and held in place. Leno weave

structures include; grenadine and

marquisette.

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Pile Weave: An advanced weave structure created by weaving in an

additional set of warp or filling yarns into the base yarns that appear as loops

on the surface of the fabric. These loops can remain or be cut.

Double Cloth Weave: An advanced weave structure created by weaving two

fabrics on the same loom, above and below each other, having two layers

interlock by another set of yarns that interlaces both fabrics to attach them

together or as one cloth.

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Dobby Weave: An advanced weave structure that creates a geometric

pattern in the fabric.

Jacquard Weave: An advanced weave structure that creates a motif or

figured pattern in the fabric.

Knits

A fabric structure constructed through the process of interlocking loops. Knit fabrics

consist of a series of stitches that are formed by needles. These stitches are

produced by one or more interlocking loops of yarn ends or equivalent material.

Terms related to knits;

Wales: are the vertical columns of stitches or loops in the lengthwise

direction of the fabric.

Courses: are the horizontal rows of stitches or loops in the crosswise

direction of the fabric.

Gauge: indicates the number of wales per inch in a knitted fabric; fineness of

the knit fabric; the number of needles per inch used in a machine to create a

knit fabric; and size of the stitch.

Variations in the pattern of knits are achieved by changing the arrangement of the

basic stitch of loop. The basic nature of the structure of knits offers stretch-ability

not found in woven goods. The ability of a knit to stretch varies according to the

direction and complexity of the formation of loops, the size of the stitch (gauge), and

the weight of the yarn (denier). Knits can be manufactured to stretch in either the

course or wale direction, or both, depending on the elasticity desired.

Knitting machines produce either tubular or flat goods in a variety of widths

depending on the type of machine and specifications of manufacturers. Tubular and

flat goods are used for cut and sew production of knit garments.

Flatbed knitting machines can produce full-fashioned or knit to shape garments

knitted to fit the shape of the body through addition or subtraction of stitches. Pre-

shaped, two dimensional knitted pieces of a garment are produced by knitting

machine and emerge ready to be stitched together. Linking or looping is the process

of joining knit trims to the garment by means of Elastic Chain Stitch Seam.

Knit and wear garments can also be produced on some flatbed knitting machines.

Similar to full-fashioned, knit and wear produces pre-shaped three-dimensional

knitted garments to fit the shape of the body but do not require additional stitching

assembly operations such as cutting, sewing and linking.

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The direction in which the loops are formed determines the knit structure. The two

general classifications of knitted structures are weft knits and warp knits.

Weft Knit: identified by one continuous yarn forming courses across the

fabric. A single yarn passes horizontally to all the needles to construct loops

in a course or row. Each new course is added to the last row of stitches.

These knits are characterised by their moderate to high amount of stretch in

the course direction. The amount of stretch provided in the wale direction

varies.

Warp: identified by a series of yarns forming wales in the lengthwise

direction of the fabric. Each course stitch is formed by a different yarn.

Courses are joined together by the adjacent course or row. These knits are

characterized by their lack of stretch in lengthwise direction. The amount of

stretch provided in the clockwise direction varies.

Twisted

Open work fabric structures such as lace and net are made by twisting and knotting,

looping, knitting or stitching a network of thread or yarn together.

Lace: An open network structure created through twisting and knotting is

produced in a wide range of widths, weights, textures and motifs with or

without decoratively finished edges. The intricacy and density of the design,

fiber content, yarn size and type and the number of yarns per square

inch/meter determines the quality.

Net: An openwork fabric structure created through twisting ina variety of

widths.

Nonwovens

A nonwoven fabric is made from a fiber web structure rather than from yarns. A

fiber web structure can be produced chemically with bonding agents, mechanically

through fiber entanglement, or thermally by fusing the fibers together with heat.

The method of manufacturing nonwoven fabrics varies with the nature of the fiber,

web formation and bonding agents used. Depending on the technique, the fibers

may be laid in a parallel, cross, or random web formation.

Nonwoven fiber web structures and their processes for fabric formation include:

Dry-laid and wet-laid web formations: in which either needle punching

mechanically locks fibers together or chemical adhesives bind the fibers

together.

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Hydro-entangled or spun-laced web formations: in which high-pressure water

jets mechanically lock the fibers together.

Melt-down and spun-bonded, spun-laid or flash-spun web formations: in

which heat and pressure bond the fiber together.

Nonwoven fabric structures;

Composite: A fabric formed by a process in which outer or face fabric is

joined to the back or lining ply by an adhesive, bonding, foam fusing or

thermoplastic agent. Bonding or laminating changes the hand of the outer

layer, stabilizes open weaves, reinforces a stretch or pliable surface, acts as a

backing and provides stability to the face fabric. Laminated fabrics include

foam between the face and the under-ply, whereas bonded fabrics are fused

directly to the under-ply.

Felt: A nonwoven fabric structure produced by the application of moisture,

heat, agitation and pressure to a web of fibers, forming an interlocking,

uniform matted material.

Film: A sheet of clear or opaque material formed from thermoplastic

polymer. Film is produced in a variety of textures ranging from smooth to

rough and in finishes ranging from shiny to matte. It can provide a protective

membrane.

Animal Skins

Animal skins come from small animals and hide from larger animals.

Fur: Fur is dressed (chemical process to preserve fur to maintain suppleness

and prevent rotting) animal pelt (Fur that has not been chemically processed)

containing both skin and hair of the animal.

Leather: Leather is the skin or hide of an animal that is chemically processed

into one of a variety of surfaces, thicknesses and colours. The irregular shape

of a finished skin is determined by the animal. Skins and hides are sold by the

square foot. Each skin is marked at the tail end of the wrong side, indicating

its total length. The thickness of the skin determines the number of ounces

that 1 square foot equals.

Terms;

Split Leather: from a thick hide that is processed into thinner sheets to

obtain a rough surface on both sides.

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Suede: the flesh side of the hide or skin to preserve leather to

maintain suppleness and prevent rotting.

Tanning: Chemical process to preserve leather to maintain suppleness

and prevent rotting.

Top-grained leather: Outer surface of the hide or skin with the hair

removed.

Pre-Production: Fabric Inspection

Introduction

Apparel manufacturers inspect the fabric stock upon arrival, so that any fabric irregularities

are caught early in the production process. Textile producers also generally inspect fabrics

before sending them to manufacturers.

Fabric Inspection is an

important aspect followed

prior to garment

manufacturing to avoid

rejects due to fabric quality

and facing with unexpected

loss in manufacturing.

Fabric inspection is done for

fault/defect rate, fabric

construction, fabric weight,

shrinkage, end to end or

edge to edge shading,

colour, hand feel,

length/width, print defect

and appearance. Fabric

inspection ensures to

minimize the rejection of

cut panels or rejected garments due to fabric faults. Cutting inspected and approved fabric

ensures not only finished garment quality but also reduce rejects, improves efficiency and

timely deliveries.

General Inspection Procedures

Fabric inspection is done in suitable and safe environment with enough ventilation

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and proper lighting.

Fabric passing through the frame must be between 45-60 degree angles to inspector

and must be done on appropriate Cool White light 2 F96 fluorescent bulbs above

viewing area. Back light can be used as and when needed.

Fabric speed on inspection machine must not be more than 15 yards per minute.

All fabric inspection must be done when 80% of good or lot is received.

Standard approved bulk dye lot standards for all approved lots must be available

prior to inspection.

Approved standard of bulk dye lot must be available before starting inspection for

assessing colour, hand, weight, construction, finish and visual appearance.

Shade continuity within a roll by checking shade variation between centre and

selvage and the beginning, middle and end of each roll must be evaluated and

documented.

Textiles like knits must be evaluated for weight against standard approved weight.

Fabric width must be checked from selvage to selvage against standard.

All defects must be flagged during inspection

The length of each roll inspected must be compared to length as mentioned on

supplier ticketed tag and any deviation must be documented and reported to mill for

additional replacement to avoid shortage.

If yard dyed or printed fabrics are being inspected the repeat measurement must be

done from beginning, middle and end of selected rolls.

Fabric Inspection Guidelines

Fabric inspection focuses on fault/defect rate colour, end to end and edge to middle

shading, hand/handle and appearance. The client will select the appropriate fault rate and

standard to determine the acceptance of each shipment. This will minimize the quantity of

panels or garments rejected for fabric faults, thereby ensuring the quality of the finished

goods. The following aspects are assessed: Colour, Fabric Faults, Shading , Usable Width

,Fabric Hand/Handle Length, Appearance, Packaging,

Fabric Sampling Plan

The following sampling plan lists the minimum quantity of fabric for each pattern, color way,

or print, which must be inspected. All rolls to be sampled will be randomly selected by the

inspector. Once a roll has been selected, no adjustments will be made.

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Fabric Inspection Documentation

To ensure proper documentation on the Inspection report the following should be correctly

recorded.

Mill Name

Fabric P.O. Number

Mill / Supplier roll number

Roll length

Ticketed

Actual

Difference between ticketed and actual

Recorded cut-able width

1st Measurement – At the start of the roll at least 2 meters or yards into the roll

2nd Measurement – At the middle of the roll

3rd Measurement – At the end of the roll at least 2 meters or yards before the end

Number of defect points per roll by 4 point system

Defect result calculated by roll in points/ 100 Sq Yards/Meters

Inspector comments if any per roll

Pre-Production: Fabric Storage

Cloth stocks should be stored so as to avoid soiling or mechanical damage, where possible at

a standard temperature and humidity, so that dimensional changes do not take palce in

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store and there is no danger of fungal attack. The ends of rolls must be protected against

the light and dirt if stocks are held for any length of time. Care must be taken to avoid

distortion or damage during handling. Since most cloth arrives in heavy bolts, mechanically

handling not only reduces labour costs but may also avoid damage as well.

Never store cloth directly on the floor or cross stack. Racking, with fabric identification,

improves access and reduces damage. Folding into cuttle must only be done one or two

days before laying up.

Pre- Production: Product Design

Many apparel companies hire both merchandisers and designers as part of their design

and development team. Merchandisers often oversee and guide the design team to

determine what, when, and how much apparel to produce. At planning meetings, designers

use concept boards to present their ideas to the development and management teams.

These concept boards are typically collages of color and fabric swatches, fashion sketches,

and magazines photos that capture the theme or mood of the design ideas. Previous

season's sales figures, sales forecasts for the new season, and the overall outlook of

upcoming seasons will also be discussed in these planning sessions.

Designers begin to materialize their ideas using hand sketches, off-the-rack

garments, technical drawings, three-dimensional draping on dress forms, or computer-aided

design (CAD). CAD is becoming increasingly popular, partially due to the ease with which

images can be redrawn, altered, and modified; and partially attributable to the active

marketing efforts of apparel computer system manufacturers such as Gerber Technology,

Lectra Systems, Pad Systems, Inc., Snap Fashun and Tukatech, Inc.

After the design team reviews the line, designers transform those final designs destined for

actual production into sample garments. If the product is to be made offshore, the final

designs are translated into garment specification sheets. A garment specification sheet

consists of all the important information required to complete a pattern and prototype of

the design. Increasingly, garment specification software programs facilitate this process.

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Pre-Production: Marker Making, Cutting And Bundling

Introduction to Marker Making

In preparation for production, graded patterns and textile materials must be prepared for

cutting, bundling and assembly. The sized production pattern pieces must be arranged in

layout appropriate for cutting.

A marker is a layout of pattern pieces and guide for cutting the garment fabric for

production. A marker may be digital or manually drawn, in one or all size ranges for a style.

Markers are also used for cutting prototypes in sample sizes. Patternmaking and grading

integrated software can create markers to be sent to automated cutting machines to

streamline production operations.

The Layout of Pattern Pieces, also known as Marker Layout, is the arrangement of

interlocking pattern pieces on paper or virtually on a computer, in preparation for cutting.

Maker layout considerations

Pattern layouts help estimate yardage requirements for garments. Pattern pieces are

arranged with regard to the structure, design and width of fabric. A marker is planned to get

the most use of yardage to minimize waste, known as Fabric Fallout, which is the material

remaining on the cutting table after garment parts are off-loaded.

Grain-line marks on individual pattern pieces indicate the direction of the lengthwise grain.

Factors of garment design affecting the direction of grain placement of pattern pieces on a

marker layout include:

Balance

Direction or pattern in fabric design or construction

Direction of raised, brushed or looped nap

Light refraction quality of weave or knit fabric

When preparing marker layouts for cutting, the marker maker places the lengthwise grain,

as indicated on the individual pattern pieces, on the length grain of goods.

When a marker maker creates a digital marker, a Buffer, or invisible barrier, can protect all

or specific pieces from being placed too close to another in the layout. Another option when

creating digital marker is Blocking. Blocking protects pattern pieces and accommodates the

width of the knife blade to prevent unintentional cutting. If a paper copy of a digital marker

is needed for cutting, it is sent to a printer to be plotted on a continuous roll having the

same width dimensions as the fabric to be cut and is the length of the marker.

Marker Layout for cutting specific fabrics

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Marker makers consider layout in relation to how the fabric will be spread on the cutting

table. Fabric Spread indicates how the material will be laid into multiple piles for cutting.

When each layer of fabric is laid face up or face down in the spread, it is referred to as

Single-Ply Spread. Single-ply spreads are cut at each end of the spread in order to keep all

layers facing the same direction. A Face-To-Face Spread is laid out like an accordion. Each

new ply of fabric is spread and folded back on the previous layer so that the face sides of the

fabric lie against each other. Garments are cut from tubes of fabric in a Tubular Spread. Such

garments do not have side seams.

Goods with particular weaves, patterns or finishes known as Directional Fabrics, need

special consideration in planning a marker layout. This group of fabrics includes:

Brushed

Knitted

Looped

Napped

One-way fabric design

Pile

Satin

Geometric fabric designs such as plaids, stripes checks and borer designs require a special

layout so that after the fabric is cut and seamed, the pattern matches.

Types of Marker Layouts for specific fabrics

Animal Skin Marker Layout: Skins are considered napped fabrics and require a one-

way marker layout on a single spread.

Bordered Fabric Design Marker Layout: pattern pieces are arranged on the marker

on either the length-or-cross-grain direction of a border print to use or emphasise

the border design on the garment.

Finished Border Fabric Maker Layout: Pattern pieces are arranged on the marker on

either the length-or-cross-grain direction of a finished border fabric to utilize the

border design on the garment.

Diagonal Design Fabric or Diagonal Print Fabric Marker Layout: All pattern pieces are

placed in the same direction of fabrics printed with stripes, geometric pattern or

motif pattern that forms diagonal lines from selvage to selvage.

Diagonal Weave Fabric or Twill type Fabric Marker Layout: Pattern pieces are

arranged on the marker in a one-way direction with the grain-line parallel to the

selvage of a twill weave to avoid colour tone differences caused by light refraction.

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Directional Design Fabrics Marker Layout: Pattern pieces are placed in the same

direction in the marker layout

Knit Fabric Marker Layout: Pattern pieces are arranged on the marker in a one-way

direction with the grain-line parallel to the selvage for tubular, sweater and other

knit fabrics to avoid colour tone differences caused by light refraction.

Light-reflecting fabric Marker Layout: Pattern pieces are arranged on the marker in

one way direction with the grain-line parallel to the selvage to avoid colour tone

differences caused by light refraction.

Napped Fabric Marker Layout: Pattern pieces are arranged on the marker in one way

direction with the grain-line parallel to the selvage to avoid colour tone differences

caused by light refraction. Garments are designed to have the brushed surface

oriented downward.

Pile Fabric Marker Layout: Pattern pieces are arranged on the marker in one way

direction with the grain-line parallel to the selvage to avoid colour tone differences

caused by light refraction. When the marker is laid out for cutting the fabric in the

downwards direction, the pile of the material in the finished garment possesses a

smooth texture and the colour tone is lighter, with silver cast sheen. However, some

velvet or velour fabrics are laid out on the marker so they are cut with the pile

oriented in an upwards direction. This provides a more luxurious appearance to the

garment.

Balanced Plaid Marker Layout: Pattern pieces are arranged in the marker layout so

the geometric pattern design matches or produces chevrons at seam lines.

Unbalanced Plaid Marker Layout: Pattern pieces are arranged in the marker layout in

one way direction.

Uneven Plaid Marker Layout: Pattern pieces are arranged in the marker layout in one

way direction in order to match the plaid at the seams.

Balanced Stripe Marker Layout: Pattern pieces are arranged in the marker layout so

the geometric pattern design matches or produces chevrons at seam lines.

Even Stripe Marker Layout: Pattern pieces are arranged in the marker layout so the

geometric pattern design matches or produces chevrons at seam lines.

Uneven Stripe Maker Layout: One-way marker layout is required to continue stripes

in consecutive order at a seam line.

Fabric Spreading

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Fabric is shipped on rolls to manufacturers and cloth is measured, inspected and rewound in

preparation for cutting. The wound fabric is placed on a spreading machine that moves back

and forth over the cutting table, laying the piles at the desired length, as determined by the

marker layout. The spreading machine and cutting table widths are determined by the

widths of the goods. Table length is determined by the type of marker, plus allowance for

the fabric stretch factor and type of machinery.

A Layup is the total number of fabric Piles, one over the other, in a one-way spread, for

cutting multiple garment components when many garments must be cut simultaneously for

mass production. The complete marker is placed on the top of the ply on a layup that will be

manually cut. When a spread would be cut using a computer driven machine, the digital

marker is sent to the cutting machine and the cutting tool essentially draws the marker

layout on the layup as it is cut. Design elements and fabric type determine how a marker is

planned and how the fabric piles are spread.

When material is stretched as it is laid it is referred to as a Tight Spread. The opposite type is

known as Slack Spread, which possesses ripples and ridges in the layup that are caused by

spreading the fabric too loosely in the length-wise direction between the ends. When Fabric

Layups are created the selvages of the piles can be aligned at the centre or the edge of the

material. A Centre-Aligned Spread aligns the vertical midpoints of each ply, which creates a

layup having both sides that are equidistant from the lengthwise midpoint of the spread. A

Straight-Edge-Aligned Spread precisely aligns the selvages of the piles on one side of the

layup to form a straight edge. Depending upon the consistency of the width of the material

being spread, the opposite side of the layup may or may not be vertically aligned to form

parallel edges.

Equipment and terms used in fabric spreading;

Cutting Table: A stationary flat work area at waist height, with a width and length

designed according to the plant layout, fabric, spreading machine, or cutting

procedures. A cutting table is a base or work surface for layout and cutting

operations.

Plies: Multiple layers of fabric spread out for the purpose of cutting many garments

and their corresponding component parts at the same time.

Spreading Fabric: The process of superimposing a predetermined number of fabric

plies on the cutting table either manually or by means of a fabric spreading machine.

The end result of spreading is referred to as a lay, spread or layup.

Cut-off Machine: A magnetically guided electric cutter designed with a long handle

and equipped with a circular blade that operates in a grooved cross-table track.

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End Catcher or End Guide Rail: A weighted crossbar hinged to a clamp secured base

that spans the cutting table. The catcher or end rail can be placed and locked at any

position on the spreading table. A serrated rubber facing on the crossbar eliminates

teeth and pinholes in the goods. The catcher is designed to swing out of the way

when cutting. An end catcher or end guide rail is used to:

Secure cloth in position when moving a spreader back and forth

Fold over goods at ends

Hold fabric ends securely

Spreading machines used at manufacturing units;

Face-to Face Spreader: Automated spreading machines that lays and aligns a ply of

fabric with each pass over the cutting table. A catcher actuates a reversing gear at

each end of the layup. The speed of the machine can be set to conform to the type

of fabric to be cut.

Manual Spreader: A manually operated spreading machine with a rail that permits

the operator to maintain alignment of the fabric edges while laying multiple plies of

the fabric on the cutting table. This type of spreader can lay face to face or one-way.

One-way Spreader: An automated spreading machine riding on a geared rail

synchronized to work with an end guide rail and cut-off machine at either end of the

layup.

Tubular Knit Spreader: An automated spreading machine with an adjustable

electromagnet to hold assorted widths of tubular fabrics in place. The machine is

actuated by the catchers to reverse direction of spreading at each end of the layup.

Cutting Fabric Layups

In preparation for cutting fabrics, manufacturers employ a variety of machines, including

large pieces of stationary equipment and handheld tools. Stationary and portable cutting

equipment in a variety of sizes are engineered for heavy-duty and general-purpose cutting

of lightweight to heavy-duty fabrics, from work clothes to lingerie. Blades are designed with

straight, serrated, wave or saw-toothed edges, to accommodate various constructions and

layup heights. In addition there are knifes engineered to cut through synthetic, foam, and

rubber materials.

Knives are sharpened with smooth, medium, coarse grit stones or belts, depending on the

edge needed for the type of fabric to be cut. A knife used for synthetic fabric requires

lubrication to reduce heat build-up, which causes fabric fusion.

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To ensure the safety of the operator and produce quality cutting along the ends and

selvages of the fabric spread, manually operated portable cutting machines, such as , band

knife or knife blade, require a minimum of 4 inches of unoccupied space between the edges

of the cutting table and all edges of the fabric layup.

Stationary cutting machines controlled by computer software may contain a self-sharpening

blade, water jet, or a laser to cut the plies of fabric in a layup. Fabric plies are laid on the

table with a bristled surface to be cut by an automated machine with a vertical reciprocating

blade. The layup is covered with a film of plastic , then a vacuum beneath the bristled

surface removes the air to provide a dense, compressed block for cutting.

Machines used in the process;

Cloth Measuring and Inspection Machine: A stationary motor driven unit containing

a means for supporting a bolt of fabric and a mandrel for rerolling the fabric after it

has passed over an inspection board. Cloth measuring and inspection machines are

used;

To wind and unwind fabric

To measure and examine goods

Tpoo package and split fabric rolls

For inventory purposes.

Clamp: A gripping device consisting of two opposing metal arms joined at a central

pivot point to form handles and bills. Clamps are used to;

Hold fabric layers together

Hold a marker to a layup

Drill: A portable electrical driven rod operating with a vertical drilling motion, housed

in a frame and a base, with a control switch and handle. There are two styles of drill

points available;

Awl drill point: A solid needle that either cuts a hole in the fabric or severs

the yarns at a designated point. Awl drill points create a permanent hole that

is visible in the fabric but will be concealed within the finished garment.

Hypodermic drill point: A hollow needle filled with marking fluid that is

either removed during the pressing or permanently remains in the fabric.

The type of needles used is dictated by the type of fabric. Thinner needles are used

for closely woven fabrics and thicker needles are used for loosely woven fabrics.

Drills are used to;

Pierce holes for pattern markings

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Penetrate through multiple layers of fabric plies to facilitate subsequent

sewing procedures

Indicate pattern makings such as diminishing points of datrs and dart tucks

Indicate placement of pockets and trimmings, buttons and buttonholes and

pleats and shirring

Indicate points or point of design features such as gussets, godets and bands

Electrical Cloth Notcher: A strip resistant wire blade connected to a heating unit that

is housed in a frame with a control switch and handle. The searing action of the

blade produces a limited depth notch resembling a burn mark. Electrical cloth

notchers are used to produce;

A slot notch in lays of knitted, soft wool, loosely woven and bulky fabrics

A seared notch limited to the width of the wire blade

Manual Cloth Notcher: A straight blade fixed to a spring action coil piston and affixed

to a base. Manual cloth notchers are used;

To produce slit notches in limited lays of fabric

On firmly woven materials.

Knife Blade Cutter: A portable electric

cutter designed to hold a vertical knife

blade, which operates with an up and

down cutting motion or stroke with a

base plate that rides on the cutting table

to prevent it from tipping and swaying

while an operator is cutting. Knife blade

cutters are used for;

Straight cuts, intricate curves

and sharp corners

To cut a variety of fabrics heavy

duty to light weight

To cut high layups

Stand-up Rotary Cutter: An electric

cutter designed to hold circular blade.

Stand-up rotary cutters are used;

For straight cuts and wide or

gradual curves

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To cut lays of limited height

Clicker Press or Die Cutting Press: A stationary single or double arm electric or

hydraulic press that houses steel cutting dies made to exact dimensions of a garment

section. Die cutting is limited to specific layup heights. A clicker press is used;

To precisely cut collars, cuffs, flaps and pockets

To cut small garment parts such as bands, tabs welts, underlay pieces and

shoulder pads

When garment parts are duplicated frequently

Computerised Laser Cutting Machine: It utilizes a laser beam to burn or dissolve the

fabric along the cutting lines of the marker and through the multiple layers of fabric

without fusing the layers together.

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Computerized Water Jet cutting Machine: A computer driven cutting machine that

utilizes a high intensity water jet stream to pierce through the multiple layers of

fabric at a high rate of speed that does not wet the fabric plies.

Computerized Vertical Reciprocating Blade Cutting Machine: A computer driven

cutting machine that utilizes a vertical reciprocating blade to shear through the

multiple layers of fabric.

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Bundling

Bundle is a stack of cut garment sections that have been separated from the layup and

folded or tied. Bundles are sorted and grouped according to pattern to pattern size and

shade marking.

Upon commencement of cutting, a worker will offload the pattern pieces from the cutting

table, which are then counted, prepped to indicate shade and grouped and bundled

according to the designated production process to be used. If the garment parts require

fusing of interlinings this is typically completed in the cutting room.

Manufacturers use a variety of bundling methods depending upon their needs, with four

basic systems being the most common among local manufacturers:

Item bundling: all pieces that comprise a garment are bundled together.

Group bundling: several (10-20) garments are put together in a bundle and given to a

single operator or team to sew.

Progressive bundling: pieces corresponding to specific sections of the garment (such

as sleeves or a collar) are bundled together and given to one operator. Other

operators sew other parts of the garment, which are then assembled into the

finished garment in the final phase.

Unit production system (UPS): individual garment pieces are delivered to sewers

using a computerized, fully mechanized "assembly line" that runs throughout the

manufacturing facility. Using a UPS computer monitoring system, a manufacturer

can fully track the production of a garment, identify where sewing slowdowns are

occurring, and reroute garment pieces to other sewers who work more quickly.

Gerber Garment Technology Inc. manufactures a UPS system, which eliminates the

need for passing apparel piece bundles from worker to worker. This lowers labour

costs because employees spend less time handling bundles and more time sewing. It

also facilitates short-cycle manufacturing.

Modular or "team based" manufacturing: is another type of bundling that combines

some of the above characteristics. Developed in Japan, it is the grouping of sewing

operators into teams of eight to ten. Rather than each sewer performing a single

task, they work together on a garment from start to finish. One-third of the U.S.

apparel industry has switched to either unit production or modular manufacturing.

In Los Angeles, however, only a few major manufacturers engage in computerized

unit productions (constituting about ten per-cent of total production) while the

majority of contractors still use progressive bundling.

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Bundling workers also carry out important quality control functions. They inspect the

garment pieces for cutting problems, fabric irregularities, or any other problems that may

have occurred in production thus far.

Terms used;

Shade Marking: the process of ensuring proper shade match by marking each

pattern piece within every ply of the spread. All of a garment’s component parts

should be cut from the same ply in order to guarantee shade match.

Fusing: the process of using prescriptive guidelines for application of temperature,

time and pressure in order to properly achieve a secure bond between the fusible

interlining and shell fabric. Types of fusing;

Block fusing: A relatively small square or rectangular portion of fabric is fused

with an interlining.

Roll-to-Roll fusing: The entire length of the fabric roll is fused with interlining.

The fabric roll is loaded and fed through a fusing press and is rewound onto

the roll and is ready for spreading and cutting.

Pre-Production: Fusing Technology

Introduction

The most important area of garment construction where an alternative process has

significantly taken over from sewing is in the attachment of interlinings. When interlinings

are sewn in, it can be difficult on parts such as collars to avoid a wrinkling of the interlining

inside the collar and pucker around the edge. On large parts such as jacket fronts, the

attachment of interlinings by sewing is expensive and requires a skill if a high standards is to

be achieved.

The alternative process which has been developed is that of fusing. Fusing technology

where by the interlining is bonded to the outer fabric by means of a thermoplastic resin. The

term fusible interlining is used to describe a base fabric coated on one side with a

thermoplastic adhesive resin which can be bonded to another fabric by the controlled

application of heat and pressure. These materials, generally called fusibles, provide the

designer with a number of properties which can enhance the appearance of finished

garments by the followings:

Control and stabilization of critical areas.

Reinforcement of specific design features.

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Minimum of modification to the “handle “of the top cloth.

Preservation of a crisp and fresh look.

Advantage of using Fusing Technology

In most cases the use of fusible interlinings shortens manufacturing time with a

consequent reduction in direct labour cost.

There is a reduction in the skill required in many operators involving fusing

compared with the sewing in of interlinings and this leads to a reduction in training

time.

It is easier to achieve consistent quality in the lamination process than it is with

many of operations of sewing in of interlinings.

Fusible interlinings provide opportunities for alternative methods of garment

construction.

Process

Regardless of which fusible and machine are used, fusing is controlled by four processing

components:

Temperature: There is a limited range of temperatures that are effective for each

type of resin. Too high a temperature causes the resin to become too viscous, which

could result in the resin being forced through to the right side of the cloth

Time: Time is the only time element of any value during the fusing process is when

the top cloth and fusible are under pressure in the heating zone of the machine .This

time cycle for a particular fusible is determined by :

Whether the fusible has a high –or low melt resin.

If a high or heavy substrate is being used.

The nature of the top cloth being used, thick or thin, dense or open.

Pressure: When the resin is viscous, pressure is applied to the top cloth and fusible

assembly to ensure that:

Full contact is made between the top cloth and fusible.

Heat transfer is at the optimum level.

There is an even penetration of the viscous resin into the fibres of the top

cloth.

Cooling: Enforced cooling is used so that the fused assemblies can be handled

immediately after fusing. Cooling can be induced by various systems. Including

water-cooled plates, compressed air circulation and vacuum.

Requirements of Fusing

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The laminate produced by fusing should show the aesthetic qualities required by the

designer in the finished garment.

The strength of bond of the laminate must be sufficient to withstand handling during

subsequent operations in the garment manufacturing process as well as the flexing

which takes place in wear.

Fusing must takes place without either strike-through or strike back occurring. When

the softened adhesive resin is pressed into the garment fabric, it is important that it

does not go right through to the face side of that fabric, and that it does not go back

to the outside of the interlining base cloth.

The fusing process must not cause thermal shrinkage in the outer fabric. Fusing

commonly takes place at around 150oc and at this temperature many fabrics may

subject to thermal shrinkage.

A further possible effect of the heat of the fusing process is that of dye sublimation.

Fabrics may change colour to a level which is unacceptable and in a way which

causes a miss-match between the fused and infused parts of the garment.

Since the fusing process involves pressure, there is a risk that pile fabrics may be

subject to crushing during fusing.

Where shower proof fabrics are fused, there is a possibility that the presence of a

fused interlining in the garment may wick water through the fabric in the fused areas

while the infused areas remain satisfactorily shower proofed. Water resistant

interlinings have been developed for these situations.

Various Fusing Equipment

The equipment used for fusing can be divided into:

Specialized fusing presses: A number of different types of fusing press have been

developed over the years, providing control of the heat and pressure applied to the

garment part and providing for fusing to takes place on flat sections of garments that

have not yet been sewn. In many companies, such fusing presses are sited in the

cutting room and the fusing operation takes place before transferring the garments

to the sewing room. Fusing presses vary in the way they operate and these

differences affect both the quality of the fusing and productivity of the operation.

Flat bed fusing press: A diagram below shows the principle of operation of this type

of fusing press. It consists of two horizontal metal platens between which the fabric

and interlining laminate are sandwiched. In the simplest mode of operation, the

operator places the garment part face down on the lower platen places, the inter-

lining resin side down on the top of it in the correct position, and closes the press.

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Continuous fusing systems: These systems operate by passing the garment part, with

its interlining placed on it, past a heat source and, either simultaneously or

subsequently, applying pressure. Heat is provided in one of three ways:

With direct heating, the conveyor belt carries the components to be fused

into direct contact with a heated surface, either a drum or curved plates.

With indirect heating, the components are carried through a heated

chamber.

With low temperature, gradient heating, the components are carried through

a pre-heating zone. Heating is either direct or indirect. With this approach the

temperature reached at the glue line is only just above that required to make

the resin a viscous fluid and in some cases fusing takes place satisfactorily

with a glue line temperature of only 120oc .This reduces the possibility of

heat shrinkage in the outer fabric and is a feature of some of the most recent

fusing presses.

High frequency fusing: In the fusing press described so far, heat has been provided

by electric heating elements. This limits the number of thickness of fabric which can

be fused at once because of the time taken for the heat to transfer through the

fabric to the resin. If multiple layers of fabric and interlining could be stacked up and

fused simultaneously, productivity might be increased. Over a number of years,

attempts have been made to do this by generating heat by means of high frequency

energy, in the same way as in a microwave cooker.

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Hand iron: Only those interlinings which can be fused at relatively low temperatures,

low pressures and in relatively short times are at all suitable for fusing by hand iron.

There are a number of difficulties. The operator cannot know the temperature at the

glue line and cannot apply pressure uniformly. The operator estimates the time

subsequently .Only small parts can be fused with any degree of success ,and then

only by pressing the iron for a fixed time onto the fusible, covering the area step by

step and using steam to help the heat transfer.

Steam press: In this case fusing takes place on presses of the type used for

intermediate and final pressing of made up garments. Temperature at the glue line is

achieved by steam from the head of the press .The temperature reached depends on

the steam pressure at the press head, the efficiency of the press and its cladding.

Pressure is provided mechanically or pneumatically by closing the press head on the

buck. Vacuum in the lower part of the press, or buck, assists rapid cooling.

Methods of Fusing

Some of the variations will now be described and illustrating them will demonstrate some of

the method of garment construction that involves fusible interlinings. The main variations

are:

Reserve fusing: In this method the outer fabric lies on top of the fusible. It is

sometimes used in fusing shirt and blouse collars. On flat bed presses with elements

only in the top platen, it is necessary to adjust temperature settings.

Sandwich fusing: This is effectively carried out only on a horizontal continuous press

where heat is applied both from above and below. Two pairs of components,

forming two laminates, are fused together, with the two outer fabrics on the outside

of the sandwich (of four layers) and the two interlinings on the inside. With correct

temperature settings, the glue line temperature may be achieved in both laminates

but the potential for strike-back occurring and causing all the layers to adhere

together is considerable.

Double Fusing: This is the fusing of two sorts of interlining to the outer fabric in one

operation. It is most commonly used in shirt collars and men’s jacket fronts

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Production: Sewing and Finishing

Introduction

In garment production, until garment components are gathered into a finished garment,

they are assembled through a sub-assembly process. The production process includes a set

of workstations, at each of which a specific task is carried out in a restricted sequence, with

hundreds of employees and thousands of bundles of sub-assemblies producing different

styles simultaneously. The joining together of components, known as the sewing process

which is the most labour intensive part of garment manufacturing, makes the structure

complex as the some works has a priority before being assembled. Furthermore, since

sewing process is labour intensive; apart from material costs, the cost structure of the

sewing process is also important. Therefore, this process is of critical importance and needs

to be planned more carefully. As a consequence, good line balancing with small stocks in the

sewing line has to be drawn up to increase the efficiency and quality of production. An

assembly line is defined as a set of distinct tasks which is assigned to a set of workstations

linked together by a transport mechanism under detailed assembling sequences specifying

how the assembling process flows from one station to another. In assembly line balancing,

allocation of jobs to machines is based on the objective of minimizing the workflow among

the operators, reducing the throughput time as well as the work in progress and thus

increasing the productivity. Sharing a job of work between several people is called division

of labour. Division of labour should be balanced equally by ensuring the time spent at each

station approximately the same. Each individual step in the assembly of product has to be

analysed carefully, and allocated to stations in a balanced way over the available

workstations. Each operator then carries out operations properly and the work flow is

synchronized. In a detailed work flow, synchronized line includes short distances between

stations, low volume of work in process, precise of planning of production times, and

predictable production quantity.

About the Sewing Process

This is the main assembly stage of the production process, where sewers stitch fabric pieces

together, and a garment is assembled. Computerized sewing machines can be programmed

to sew a specific number of stitches to perform a standard operation, such as setting a

zipper or sewing a collar. However, even though new machines mechanize and hasten the

sewing process, sewing remains largely labour-intensive.

There are four general types of sewing machines: single-needle machines, over lock

machines, blind-stitch machines, and specialized machines. Single needle machines are most

common, as are their operators. Because operating more complicated machines requires

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additional training, there is frequently an oversupply of single-needle operators and a

shortage of sewers who can use other machines.

Brief on different types of machines:

Bar-tacking Machine: A sewing machine that produces a tightly placed zigzag stitch

to reinforce areas of a garment that need extra strength. These are used for

securing;

Belt loops

Pocket openings

The base of fly front closures on jeans

Buttonhole Machine: A sewing machine that produces a stitched buttonhole. These

can produce;

Stitched buttonholes

Keyhole buttonholes

Stitched eyelet holes

Button Sewing machine: A sewing machine that stitches a button or sews on snap to

a garment.

Chain-Stitch Machine: A sewing machine that produces stitches formed either by

one lopper thread or by a looper thread and needle threads. Varities of chain stitch

machine include;

Blind stitch

Single needle chain stitch basting

Flatbed two needle double chain stitch

Feed off the arm lapseamer

Feed off the arm double chain stitch

Feed off the arm four needle double chain stitch

Feed off the arm four needle flatseamer

Cover-stitch Machine: A sewing machine that produces stitches formed by a lopper

thread and multiple needle threads that joins two plies of fabric while covering the

raw edges.

Lockstitch Machine: A sewing machine that produces a series of straight stitches

formed by interlocking of bobbin thread and needle thread. Varieties of lockstitch

machines include;

Single needle lockstitch

Double needle lockstitch

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Single needle zigzag lockstitch

Over-lock Machine: A sewing machine that forms stitches over the edge of a seam.

Sewers need to be familiar with many different types of fabric and how to stitch each, but

they usually specialize in a particular fabric or a particular machine. Working with cotton

knit fabrics is very different from working with denim, silk, or linen. Learning how to work

with each fabric type is part of the training-usually informal-that sewers undergo. Sewers

may also specialize in zipper-setting, embroidery, and other hand stitching techniques.

Sewers may also affix labels. Certain labels identify the garment as belonging to a particular

line and designer. Other labels inform the consumer of fabric content, care instructions,

country of origin, size, or production by a union shop.

Sewing Process of a Shirt

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Line Balancing

Line balancing is usually undertaken to minimize imbalance between machines or personnel

while meeting a required output from the line. The production rate is indicated as cycle time

to produce one unit of the product, the optimum utilization of work force depends on the

basis of output norms. The actual output of the individual may be different from the output

norms. The time to operate the system, hence, keeps varying. It is, therefore, necessary to

group certain activities to workstations to the tune of maximum of cycle time at each work

station. The assembly line needs to balance so that there is minimum waiting of the line due

to different operation time at each workstation. The sequencing is therefore, not only the

allocation of men and machines to operating activities, but also the optimal utilization of

facilities by the proper balancing of the assembly line.

The process of assembly line balancing involves three steps:

Take the units required (demand or production rate) per day and divide it into the

productive time available per day (in minutes or seconds). This operation gives us

what is called the cycle time. Namely, the maximum time that the product is

available at each workstation if the production rate is to be achieved.

Cycle time = production time available per day / units required per day

Calculate the theoretical minimum number of workstations. This is the total task

duration time (the time it takes to make the product) divided by the cycle time.

Fractions are rounded to the next higher whole number.

Minimum Number of Workstations = Σ Time for Task i / Cycle Time (i= 1 to n)

Where n is the number of assembly tasks.

Balance the line by assigning specific assembly tasks to each workstation. An

efficient balance is one that will complete the required assembly, follow the

specified sequence, and keep the idle time at each work stations to a minimum.

Cycle Time

Cycle time is defined as how frequently a finished product comes out of our production

facility. Cycle time includes all types of delays occurred while completing a job. So cycle time

can be calculated by the following formula.

Total Cycle Time = processing time + set up time + waiting time + moving time + inspection

time + rework time + other delays to complete the job

To meet customer demand or monitor productivity the cycle time and takt time should be

balanced in parallel. The higher cycle time than takt time may result the late delivery and

customer dissatisfaction whereas shorter cycle time than takt time may cause the excess

inventory or excess use of resource.

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Handling System

The movement of cut parts around the sewing room should be kept to a minimum; for

example, it usually pays to make parts separately and to deliver them direct to a matching in

point. Most creasing is due to poor handling techniques.

Pressing and Folding

Pressing smoothens the surface, shrinks fullness and shapes the fabric at darts, curved

seams and cap sleeves. Fiber content determines the temperature of the pressing tool. Fiber

structure determines how the fabric is to be handled. Pressing tools selected depend on:

Type of fabric

Type of fabric finish

Type of garment

Construction of garment

Technique of pressing

Terms;

Pressing: The process of alternatively pressing down and lifting up a heated iron on

fabrics or newly stitched seams, darts and other parts of the agreement to set them.

Ironing: The process of sliding an heated iron back and forth over a wrinkled fabric or

garment by means of pressing with or without steam.

Set: The process of flattening or creasing a section of fabric or garment by means of

pressing with or without steam.

Steam: The process by which steam is passed through fabric, usually downward by

means of a steam iron, sleeve buck, form finisher or damped press cloth.

Shrink: The steaming process whereby an area of a garment or fabric is caused to

draw in or contract in size.

Under-press: the process of pressing small units of work such as finished collars,

cuffs, pockets, yokes, seams, darts and tucks, as a construction of garment proceeds.

Finger-pressing: The process of using one’s fingers in place of an iron to open a seam

or to crease a fold.

Sponging: The process of dampening the surface of a fabric or garment by means of

a wet sponge.

Production pressing equipment;

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Gravity Feed Iron: A weighted metal plate, approximately 8 inches long by 5 inches

wide, that tapers to a point at one end, furnished with a handle and steam release

knob control. These irons are used to smooth or crease fabrics and to provide steady

source of steam for sustained operation.

Iron Rest: A flat rectangular shaped heat resistant flexible rubber or silicone coated

metal plate where an iron rests when not in use.

Iron Shoe: A metal fitting with a Teflon sheet laminated to the bottom surface that is

perforated and shaped to strap on the sole of a steam iron. An iron shoe is used in

place of pressing cloth to:

Prevent scorching that produces shine on the surface of fabrics

Evenly distribute steam from the iron over the entire ironing surface

Press the face of garments made of synthetic fabrics or blends

Industrial Vacuum Ironing Board: A flat board, approximately 54 inches wide, that

tapers to 6 inches at one end and is supported at table height.

Steam Iron and Boiler: A weighted metal plate, approximately 8 inches long by 5

inches wide, that tapers to a point at one end, furnished with a handle and steam

release knob. These irons are used to smooth or crease fabrics and to provide steady

source of steam for sustained operation.

Steam Press: A two piece flat or curved padded form that applies heat, moisture and

pressure when the upper and lower opposing beds are activated by a foot pedal or

handle. A steam press is used to:

Facilitate the pressing of a particular garment part such as a collar, shoulder

or body of a coat

Shape and smooth the final garment

Smooth and shape garment parts

Shrink fabrics before they are sewn

Press creases and pleats in the garments

Press the face and underside of garments at the same time

Form Finisher: A collapsible fabric structure simulating a garment shape that inflates

and applies heat and steam when activated. A form finisher is used to press an entire

garment at one time and is chosen because it will not distort the shape of the

garment or mar the fabric.

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Post-Production: Packaging

Packaging can be defined as the process of packaging goods, or it can refer to the actual

container and component materials that hold and protect apparel products.

Packaging is available in a variety of forms, materials, sizes and quantities. Some important

functions of packaging include:

Maintaining shape of the product

Providing support for the product

Providing information to the consumer such as brand, size, price, style and colour

Aiding with merchandising on the sales floor

Attracting consumer to the product

Protecting against damage due to dirt, dust, light, mold, mildew and soil

Protecting against damage due to creasing, crushing, moisture, tearing, pressure and

wrinkling

Shipping Packaging

Merchandise is produced; it is packed and shipped o retailers in bulk. The end consumer

does not see the outer containment packaging used for shipping from the factory. Shipping

packaging includes the crate, box or bag and packing materials used during shipment of bulk

goods from the factory to retail revenue. It does not include the covering or wrapping used

for individual items within a shipment.

Terms;

Carton: A rigid, one piece container, made of paper or plastic, used to hold items

shipped in bulk that are folded, hung, or bundled together for transport.

Crate: A sturdy wooden container that holds cartons during shipping.

Hanger Box: A carton equipped with a rack for holding garments hung on hangers.

Shipping Box: Corrugated cardboard or rigid plastic container for transporting goods.

Packaging Tape: paper or plastic film with adhesive applied to one side that may

contain filament threads to reinforce and secure boxes during shipment.

Strapping: band of steel, polyester or nylon or plastic material manually or

mechanically wrapped around a shipping box and heat sealed to provide strength

and stability during shipping.

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Merchandise Packaging

The materials used to pack individual product units for shipping or sale to the end user are

known as merchandise packaging. Many products are packed to ease the transition

between shipment and placement on the sales floor. Floor-Ready Merchandise is packed

and shipped from the factory, essential as it will be stocked and displayed in the retail store.

Individual product units are prepared with the required hand tags, bar code and price

stickers or tickets, security tags or devices and hung on hangers, folded or packed with the

appropriate means for making the merchandise ready for placement on store fixtures.

Merchandise packaging is classified as;

Packaging for Flat Folded or Rolled Merchandise: Folded items require fasteners to

secure the product to another packaging component to maintain the shape and

aesthetic appeal. Some apparel items are folded and secured with pins or clips to

retain the shape of the item within packaging. Pins and clips in several different

types and sizes are made of metal or plastic. Pins and clips are used for;

Attaching a hangtag to a garment

Securing the arms of a hung garment during shipping

Securing folded garments within the packaging

Apparel items that are packed in flat folded or rolled forms include;

Fleece sweatshirts and sweatpants

Jeans

Knit tops

Men’s dress shirts

Men’s and children’s undergarments and thermals

Pajamas

Scarves

Socks and hosiery

Sweaters

Ties

T-shirts

Turtle necks

Terms;

Box: A heavy pare, cardboard or plastic container formed or folded into

shape and glued together.

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Flat Bag: A flexible polyethylene film sack sealed at the bottom with an open

top that can be secured with a heat seal, tied, stapled or taped with double

sided adhesive. They may contain air holes.

Tape: A strong, clear, semi-transparent or tan-coloured strip of material

having an adhesive surface on one or both sides.

Jet Clip: A clear or white plastic fastener. Jet clips are used to secure folded

blouses, shirts, slacks or jeans and commonly put in boxes of 1000.

Pinch Clip: A matte or shiny aluminium C-shaped bendable clip used to secure

woven or knitted garments that are folded.

Ball Point Pin: A pin with a very fine diameter having rounded tip and a flat or

rounded head that is used on fine or delicate fabrics.

Straight Pin: A pin with a very fine tapered sharp tip and a flat or round head.

T Pin: A rigid metal wire, from 1 to 2 inches in length, with a sharply pointed

tip and a T-bar-shaped head formed from the wire.

X clip/ Metal Clip: A rigid metal wire with rounded smooth ends that is

formed into a X shape with one closed end and one open end.

Tissue Paper: A lightweight translucent paper.

Butterfly: A small plastic or paperboard form available in a variety of shapes

and sizes to support the front collar portion of a folded dress shirt.

Neckband Insert: A plastic or paperboard band. The neckband is inserted

between the shirt neck band and collar to provide support and maintain the

shape of the collar.

Rubber Band: Flexible, extendable ring made from natural or synthetic rubber

latex and fillers.

Shirt Board: A paperboard stiffener that forms and supports folded shirts,

which are pinned and clipped onto the board.

Packaging for Hung Merchandise: Some products are best merchandised and

displayed hung. Apparel items that are packed on hangers include:

Suits

Dresses

Shirts

Blouses

Sweaters

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Coats

Jackets

Pajamas

Trousers

Skirts

Shorts

Socks

Tights

Material used;

Duo jet Clip Tie Back Fastener: Two clear or white plastic clips with or without

teeth tied together with plastic thread. It is used to secure blouses, shirts and

sweaters that are hung.

Bra and Panty Hanger: these have end clips to which merchandise is secured

so as not to slip off the hanger. These hangers are packed in cartons of 500

units.

Bottom Hanger, Pant Hanger or Skirt Hanger: Clear, white or black plastic or

wooden hanger with a swivel chrome hook and a rod with metal clips and

vinyl cushions or one with metal clamps or clips that slide to hold a garment

in place.

Coat Hanger: Clear, white or black plastic or wooden hanger with wide,

smooth, sloped shoulders with a standard or long swivel chrome look.

Combination Hanger: Clear, white or black plastic or wooden sloped shoulder

hanger with a swivel chrome hook and a metal rod with plastic or metal clips

with vinyl cushions.

Suit Hanger with Bar: Black plastic smooth, contoured, slopped shoulder

hanger with a swivel chrome hook and moulded plastic bar to hang trousers.

Suit hanger with Dropped Hook Bar: White or black plastic hanger with wide

rounded smooth shoulders, a swivel hook and metal wire rod dropped 10

inches from the shoulders that is equipped with plastic or metal clips with

vinyl cushions.

Suit Hanger with Locking Bar: Black plastic or wooden curved, slopped hanger

with a swivel chrome hook and a wooden or plastic round rod with a thick

metal wire that hooks onto the rod.

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Top hanger, Shirt Hanger or Dress Hanger: Clear, white or black plastic or

wooden sloped shoulder hanger with swivel chrome or fully moulded in

plastic with a stationary hook.

Hanger Foam Cover: A cover that is stretched over the hanger to prevent

garments from slipping off.

Hang Tape: Black or white, cotton or polyester woven tape that is sewn into

garments to allow them to be hung safely and securely.

Poly Bag: A flexible polyethylene film sack, like those used by drycleaners,

having one open end and one closed end with a 3 inch hanger hole.

Packaging Tags and Fasteners

An important aspect of merchandise packaging is the hangtag. A Hangtag is a cardstock,

plastic, fabric, wooden, metal or other material in the form of a square, rectangle, or die cut

shaped tag that is attached to an apparel item by means of plastic fastener, braided cord, or

safety pin with a ribbon. Fasteners secure hangtags to garments or product packaging.

Information provided on hangtags can include:

Brand

Size

Style or fit

Price

Country of origin

Colour

SKU number

Bar code

Style number

Care information

Fiber information

Distributor

Garment properties

When bar code and price are included on one hangtag, it is known as an integrated tag.

Types of tags;

Bar code Ticket: A cardstock paper tag or self-adhesive sticker printed with a bar

code and price. Bar code stickers are affixed to a hangtag whereas bar code tickets

are fastened to the garment alongside the hangtag.

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Joker Tag: A cardstock or paperboard tab that is stitched or attached with a plastic

fastener to the waistband of casual pants and jeans. Joker tags are easily removed

before the garment is worn and include information such as:

Size

Brand

Colour

Price

Bar code

Country of origin

Pocket Flasher: A cardstock or paperboard pocket shaped tag that is stitched or

attached with a plastic fastener to the back pocket of casual pants and jeans.

Information found on Pocket flashers includes:

Size

Brand

Colour

Price

Bar code

Country of origin

Sock Band: A paper or cardstock band with or without an adhesive back to to attach

to socks and hosiery sold by the pair or in bundles. Sock bands provide information

such as:

Size

Brand

Colour

Price

Bar code

Country of origin

Pressure-sensitive Size Wrapper: A paper or plastic film with a self-adhesive back

that is affixed to tops to convey size or fit.

Bar Loc Fastener: Opaque white plastic fattener having moulded beads along the

length the length with one end that is pointed and one shaped like a barrel.

Plastic Fasteners: Clear, white or black plastic fasteners with a smooth filament body

and T shaped ends that are used to attach tags to garments by means of tagging gun.

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J-Hook: White fasteners with a hook shaped top, smooth filament body and T

bottoms are used to attach tags to accessories such as socks and gloves. Hook tach

fasteners are attached with a tagging gun.

Security loop Lock: White plastic fastener with one end that is shaped like an

arrowhead and one shaped like a barrel. The portion between the connectors is a

smooth filament. The pointed head is inserted into the barrel portion to close or lock

the fastener into a loop shape and is used to attach tags to accessories and shoes.

Safety Pin: A brass or nickel plated steel closed wire pin that is bent to form a loop

on one end with a secure cap on the other end in which the sharp pin point is

clipped.

Work Flow Diagrammatic Representation

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Method Study

Introduction

Method study focuses on how a task can (should) be accomplished. Whether controlling a

machine or making or assembling components, how a task is done makes a difference in

performance, safety, and quality. Using knowledge from ergonomics and methods analysis,

methods engineers are charged with ensuring quality and quantity standards are achieved

efficiently and safely. Methods analysis and related techniques are useful in office

environments as well as in the factory.

Methods techniques are used to analyse the following:

Movement of individuals or material. Analysis for this is performed using flow

diagrams and process charts with varying amounts of detail.

Activity of human and machine and crew activity. Analysis for this is performed using

activity charts (also known as man-machine charts and crew charts).

Body movement (primarily arms and hands). Analysis for this is performed using

micro-motion charts.

Need for Method Study

Different operatives will develop different ways of doing a job. Not all can be right.

Some ways of working may have been developed because they were easier to learn

or the operative had a special skill.

The systematic Recording of methods is essential for Work Measurement and helps

when we wish to compare different approaches.

The identification of the best method is a skill, learned by practice, like all other

skills. It is not uncommon for a good consultant to walk around a factory and to stop

at an inefficient operation without any conscious selection. But by carefully

examining methods is critical way; we gradually acquire skill to identify bad ones and

to suggest better ones.

One argument for the specialist practitioner is that better methods can sometimes

only come from a factory wide change.

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TASK THREE

Project Brief

Students will compare the production systems with regard to their different features,

advantages and disadvantages. They are expected to write analytical analysis and compare

different production systems.

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Introduction

A production system is the combination of resources and work flow sequencing needed to

manufacture finished, saleable garments. Work Flow refers to the specific movement of

garment component pieces and materials during the production process from the beginning

to the end. Work in Process or Work in Progress is the quantity of incomplete products in

the course of assembly. Factories must be attentive to Material Handling, which is efficient

flow of materials and garment components as they progress through the manufacturing

process. A production system includes:

Handling of materials, garment component parts and findings

Labour force

Production and assembly equipment and machinery

Logical sequence for the movement of materials and garment components during

assembly

Individual System/Make Through/Whole Garment System

This is essentially the traditional method of production whereby one operator assembles

the entire garment. In men's bespoke wear, it is not uncommon for a tailor to perform

nearly every operation required to make the garment, including machining, hand work and

pressing.

With this production system the operator would be given a bundle of cut work and would

proceed to sew it according to his or her own method of work. Of necessity, the labour

required by this system must be highly skilled and versatile, a combination which is

becoming exceedingly rare and increasingly expensive.

This type of system is effective when a very large variety of garments have to be produced

in extremely small quantities. A typical application would be in the sewing room of a

boutique, which produces its own merchandise.

There are two types of Whole Garment Production Systems: Complete Whole Garment and

Departmental Whole Garment. In the whole garment system one individual makes the

entire garment from cutting the cloth to sewing and pressing the garment. The garment is

ready for dispatch once the operator completes the final operation. This type of system is

used in a few places, which are engaged in custom-wholesale. They are normally high priced

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and exclusively made for a particular customer. They are limited in number and distribution;

normally about 10-20 garments are made.

The departmental whole garment system is also used by custom wholesale manufacturers

as well as high price or better dress manufacturers. In the departmental whole garment

system one individual does all the work with the equipment allocated to a department. For

example, one person does all the cutting work in cutting department, second person does

all the sewing work in sewing department, and the third person does the pressing and

packing work. The workers in this system may use more than one equipment to complete

their respective job.

Advantages:

This system is more effective when a very large variety of garments have to be

produced in extremely small quantities.

In Individual piece rate system the operators will do with full involvement: To finish

more pieces, to earn more money.

Operator will be specialised in his own working area.

As the pay depends upon the complication of the operation, the operator will try to

finish the complicated operation also without any difficulties.

The Work in Progress (WIP) is reduced, at a time one cut garment to one operator

and so the amount as inventory is reduced.

Disadvantages:

Highly skilled labourers are used, so the cost of labour is high.

The operator is more concerned on the number of pieces finished rather than the

quality of work.

Productivity is less due to lack of specialisation.

For long run/bulk quantity of same style is not effective in this system.

Section Or Process System - Group System

This is a development of the making through system, with the difference that the operators

specialise in one major component and sew it from beginning to end. For example, an

operator specialising in fronts would assemble the front, set the pockets, etc and perform all

the operations required to finish that particular component.

The sewing room would have a number of sections, each containing versatile operators

capable of performing all the operations required for a specific component. The sections are

built according to the average garment produced, and include:

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Pre-assembling (the preparation of small parts)

Front making

Back making

Main assembly (closing, setting collars and sleeves, etc)

Lining making

Setting linings

Finishing operations (buttonholes, blind-stitching, etc)

All in all, this is a very efficient system for producing a variety of styles in reasonable

quantities. Figure 1 shows a typical layout and workflow for this type of system.

Advantages:

As the labour of all levels, i.e., semi-skilled, skilled, trainee can be used in this

system; the labour cost is less compared with individual system.

Productivity is higher compared to individual system, because of the use of special

machine and all types of labour.

This system is very efficient for producing a variety of styles in reasonable quantities.

Automation and specialisation can be done.

Absenteeism and machine breakdown problems will not cause serious problems.

Disadvantages:

All the levels of operators are involved in the work, so the quality of garment should

be strictly maintained.

Even though productivity is high still the highly skilled operators are required to

perform simple operation within the section.

Group of people involved in each section and so we require more WIP, which

increases the inventory cost.

As this is not a bundling system, there are more chances to mix up of lost, shade

variation, sizes, so quality and production will be affected.

Straight-Line Or 'Synchro' System

As its name suggests, this system is based on a synchronised flow of work through each

stage of producing a garment. Time-synchronisation is the most important factor of this

system because the flow of work cannot be synchronised if there are considerable

variations in the standard times allowed for all the operations performed on the line.

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For example, if one operation has a value of 1.5 minutes SAM, then all the other operations

in the line must have the same, or a very close, value. The manipulation required to balance

the standard time for each operator can sometimes lead to illogical combinations of whole

or part operations which are not always conducive to the overall efficiency of individual

operators.

The synchro-system by its very nature is rigid and particularly vulnerable to absenteeism

and machine breakdowns. At all times reserve operators and machines must be available to

fill the gaps. In addition, this system requires a sufficient volume of the same type of

garment to keep the line in continuous operation.

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Progressive Bundle System

The progressive bundle system (PBS) as the name implies the bundles of garment parts are

moved sequentially from operation to operation. This system, often referred to as the

traditional production system, has been widely used by apparel manufacturers for several

decades and still is today. It was reported by the AAMA Technical Advisory Committee that

80 per cent of the apparel manufacturers used the bundle system and also predicted that

use of bundle systems would decrease as firms seek more flexibility in their production

systems.

Bundles consist of garment parts needed to complete a specific operation or garment

component. For example, an operation bundle for pocket setting might include shirt fronts

and pockets that are to be attached. Some firms operate with a standard bundle size, while

other firms vary bundle sizes according to cutting orders, fabric shading, size of the pieces in

the bundle, and the operation that is to be completed. Bundles are assembled in the cutting

room where cut parts are matched up with corresponding parts and bundle tickets. Bundles

of cut parts are transported to the sewing room and given to the operator scheduled to

complete the operation. One operator is expected to perform the same operation on all the

pieces in the bundle, retie the bundle, process coupon, and set it aside until it is picked up

and moved to the next operation.

Advantages:

This system may allow better utilisation of specialised machines, as output from one special

purpose automated machine may be able to supply several operators for the next

operation. Small bundles allow faster throughput unless there are bottlenecks and extensive

waiting between operations.

Disadvantages:

It is driven by cost efficiency for individual operations. As the operators perform the same

operation on a continuing basis, and are compensated by piece rates become extremely

efficient at one operation and may not be willing to learn a new operation because it

reduces their efficiency and earnings. Individual operators that work in a progressive bundle

system are independent of other operators and the final product. Slow processing,

absenteeism, and equipment failure may also cause major bottlenecks within the system.

Large quantities of work in process. This may lead to longer throughput time, poor quality

concealed by bundles, large inventory, extra handling, and difficulty in controlling inventory.

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Unit Production System

A unit production system (UPS) is a type of line layout that uses an overhead transporter

system to move garment components from work station to work station for assembly. All

the parts for a single garment are advanced through the production line together by means

of a hanging carrier that travels along an overhead conveyor. The overhead rail system

consists of the main conveyor and accumulating rails for each work station. Carriers are

moved along the main conveyor and switched to an accumulating rail at the work station

where an operation is to be performed. At the completion of an operation the operator

presses a button, and the carrier moves on to the next operation. Most unit production

systems are linked to a computer control center that routes and tracks production and

provides up-to-the-minute data for management decisions.

The unit production system transports all the pieces of one complete product through the

manufacturing process. An addressable product carrier takes all the pieces of one entire unit

(ie, for trousers - backs, fronts, pockets, etc) through the different steps of production.

Operations are performed at individual workstations. The end result is a cost-efficient

product, processed from pieces to completion.

Workflow in Unit Production System;

Load all the pieces in a product carrier

The product carrier with the pieces will be routed through the different operation

steps

At every machine/operation the patented chain will position the product ideally

Completed the product arrives to an unloading station. The empty product carrier

returns to the loading station.

Advantages:

Improved lead times - less Work In Process.

Improved space utilisation,

Increased productivity

Throughput time in the sewing room can be drastically reduced.

Direct labor costs are reduced

Indirect labor costs may be reduced by elimination of bundle handling and requiring

fewer supervisors.

Improved production and quality monitoring.

Reduced space utilisation.

Improved ergonomics.

Disadvantages:

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Highly expensive - buying equipment and Cost of installing

Specialised training for the system.

Modular Production System

A modular production system is a contained, manageable work unit that includes an

empowered work team, equipment, and work to be executed. The number of teams in a

plant varies with the size and needs of the firm and product line. Teams may be used to

perform all the operations or a certain portion of the assembly operations depending on the

organisation of the module and processes required. Before a firm can establish a modular

production system, it must prioritise its goals and make decisions that reflect the needs of

the firm. With a team-based system operators are given the responsibility for operating

their module to meet goals for throughput and quality. The team is responsible for

maintaining a smooth work flow, meeting production goals, maintaining a specified quality

level, and handling motivational support for the team. Team members develop an

interdependency to improve the process and accomplish their goals. Interdependency is the

relationship among team members that utilises everyone's strengths for the betterment of

the team.

Workflow in Modular Production;

A Modular Production System operates as a Pull System, with demand for work coming

from the next operator in line to process the garment. Wastage is normal, and workflow is

continuous and does not wait ahead of each operation. This increases the potentials for

flexibility of styles and quantities of products that can be produced.

Workflow within a module may be with a Single-piece hand-off, Kanban, or Bump-back

system. If a single-piece hand-off is used, machines are arranged in a very tight

configuration. As soon as an operation is completed the part is handed to the next

operator for processing. Operations need to be well balanced as there is usually only one

garment component between each operation. Some modules may operate with a buffer

or small bundle of up to ten pieces of work between operators. If a small bundle is used,

an operator will complete the operation on the entire bundle and carry the bundle to the

next operation. An operator may follow a component or bundle for as many operations as

they have been trained or until the adjacent operator is ready to assume work on the

bundle.

A Kanban uses a designated work space between operations to balance supply with

demand. The designated space will hold a limited number of completed components (two

or three) in queue for the next operation. If the designated space is full, there is no need

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to produce more until it is needed or the space empties. This limit builds up of product

ahead of the next operation. When the space is full the operator can assist with other

operations that may be slow.

The bump-back or TSS (Toyota Sewing System) approach was developed by the Toyota

Sewn Product Management System and is probably the most widely used type of team-

based manufacturing. It is a stand-up module with flexible work zones and cross-trained

operators. Operators may be cross-trained on up to four different successive operations.

This enables operators to shift from operation to operation until the next operator is

ready to begin work on the garment. The operator needing work steps to the beginning of

the zone and takes over the processing at whatever point it is in the production process.

The operator who has been relieved of the garment will then move back to the beginning

of the work zone and take over work on another garment. This approach enables

continuous work on a garment and allows each operator to perform several different

operations. This arrangement frequently uses a 4-to-l ratio of machines to operators.

Advantages:

High flexibility

Fast throughput times

Low wastages

Reduced absenteeism

Reduced Repetitive Motion Ailments

Increased employee ownership of the production process

Empowered employees

Improved Quality

Disadvantages:

A high capital investment in equipment.

High investment in initial training.

High cost incurred in continued training

Quick Response Sewing System

This system was first developed in Japan to enable quick responses to be made to market

changes, especially when orders for individual styles were in small lots. Each workstation is

equipped with two or four machines and the operator will take the garment through the

required operations, including pressing, before it is transported to the next workstation.

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Quick response system layout;

Some of the basic machinery is duplicated in different stations and if there is a

bottleneck in one section the overload is automatically transported to other stations

where operator capacity is available.

All the parts of one garment are loaded into a hanging clamp attached to the trolley

and in theory, there should only be one garment at each workstation. Work is

transported by a computer controlled, overhead trolley system and each station has

an individual controller, which provides the operator with information on the style

being worked on. This information comes from an information card, which

accompanies each trolley.

A less sophisticated version of QRS uses a wheeled trolley, which contains the components

for one garment and is pushed along the floor from operator to operator.

Another feature of QRS is that all the operators work in a standing position so that they can

move quickly from one machine to another within their own workstation. Machine heights

are adjusted accordingly and touch-pads and knee-pads controls are used instead of

conventional foot pedals.

Features;

Supervision: Freed to work with the operators.

Labour: Of necessity the operators must be highly skilled in the operation of all the

different machines in one workstation.

Quality: In-process inspection stations are built into the line and the inspector is able

to return faulty work via the system to the operator concerned.

Productivity: This is very high because the operator handles the garment once only

for a number of operations, instead of once for each operation.

Throughput time: As there are so few garments on the line throughput time is

extremely short, which is the objective of this system.

Layout: A typical unit would have eight work stations arranges around the transport

system.

There is no doubt that this type of system is one of the best answers to the garment

production revolution, which is becoming more apparent every day. Fashion changes are

becoming more frequent and as a consequence order lots are proportionately smaller. A

production system, which enables changeovers to be made in the minimum of time is

ideally suited to this new and dynamic situation.

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Evaluation of Production Systems

Any production system has four primary factors, which make up the system. Processing

Time + Transportation Time + Temporary Storage Time + Inspection Time = Total Production

Time.

Processing time is sum total of working time of all operations involved in manufacture of a

garment. Transportation time involves the time taken to transport semi-finished or finished

garments from one department to another or from one operation/machine to another.

Temporary storage time is time during which the garment/bundle is idle as it waits for next

operation or for completion of certain parts. Inspection time is time taken for inspecting

semi-finished garments for any defects during manufacturing or inspecting fully finished

garments before packing.

The main aim of any production system is to achieve minimum possible total production

time. This automatically reduces in-process inventory and its cost. The sub-assembly system

reduces temporary storage time to zero by combining temporary storage time with

transportation time.

Conclusion

The main aim of any production system is to make the total production time as small as

possible. The choice of the production system highly depends on the volume of production

and the strategy of production. Basic goods can be manufactured in large quantities, with

large cuttings, work bundles, and limited fabric, colour, and trim variation. For basic goods, a

traditional production system such as progressive bundle system can be adopted. The

modular system or some type of flexible manufacturing can be adopted for the production

of fashion goods.

Considering the required capital and training for production system changes, transition from

the traditional production system to a flexible manufacturing system is limited for most

apparel manufacturers. Some firms may also use the combination of the production systems

-- the progressive bundle system for producing small parts combined with modular

production for garment assembly. This reduces the investment in specialised equipment and

reduces the team size needed. Some industry consultants believe that a modular system

combined with a unit production system provides the most flexibility, fastest throughput,

and most consistent quality. This would be particularly useful for large items such as

coveralls or heavy coats. The UPS would move the garment instead of the operators. Each

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manufacturer needs to determine what is best for its product line and production

requirements

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TASK FOUR

Project Brief

Students are required to document the sampling process in garment industry and write the

importance of each step in the complete process.

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Introduction

Garment samples are inevitably important and are developed tested before starting the

bulk production. It means making a sample of the garment which requires to be sold.

Sampling is one of the main processes in Garment Industry and it has a vital role in

attracting buyers. Because the buyers generally place the order after they are satisfied with

the quality of the samples.

Need For Sampling

The samples decide the ability of an exporter. The buyer will access the exporter and his

organisation only by the samples. If the samples are of good quality and with reasonable

price naturally the buyers will be forced to place the order. So it is essential that the samples

should be innovative and with optimum quality. The purpose of sampling is not only to get

bulk orders but also give some additional benefits to the exporters. By doing sampling the

exporter can estimate the yarn consumption for developing the fabric, a clear idea on

costing more ever the manufacturing difficulties. Besides by doing sampling only the

exporter can optimize the processing parameters for mass production, which helps to avoid

all kind of bottlenecks. All these works are carried out by the sampling department, which is

led by a sampling in-charge.

The Details Attached To The Garment Sample

After the confirmation of order, each sample sent to the buyer has the following details

attached to it, with the help of a tag. It contains the details pertaining to both, what the

buyer has demanded and what supplement fabric/trim etc they have used (if applicable).

Reference number

Colour

Fabric

Composition

Description

Quantity

Style number

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Size

Store

There may be a separate sampling department in a company. But as the merchandiser is the

person who is interacting with the buyers regarding samples and other requirements, this

sampling department will work under the supervision of merchandising department. Also,

as the samples are to be made according to the buyers’ price ranges and quality levels,

merchandiser has to advise sampling department suitably.

Types of Samples

The manufacturer needs to send many samples to buyers, which are;

Salesmen samples or promotional samples

Proto samples or fit samples

Counter samples or reference samples or approval samples

Wash test samples

Photo samples

Fashion show samples

Pre-production samples

Production samples

Shipment samples

Sampling Process

Introduction

The process of sample department varies from context to context, and the development

process covers a wide range of diverse products from new fibers, fiber blends, new yarns,

fabric structures ,finishes and surface effects and all types of made up products such as

knitwear, hosiery, cut and sewn garments, household products, technical and medical

products.

There are different phases of sampling;

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The first phase covers the development of the initial concept or design idea through

its approval by the customer and full review/ risk analysis by the development and

production teams.

The second phase covers the process following acceptance of the first prototype

sample and includes the functions of sourcing and ordering component, testing the

product and carry out trails once the finalized sample specifications has been drawn

up, the third and final phase commences.

The third phase includes a range of activities that are carried out before large scale

or bulk production capacity outside the home producer/developers wherever this is

applicable.

Workflow of Sampling

Development samples or enquiry samples

When manufacturers work with some buyers continuously, they will have to keep on

sending samples to them very often. Whenever buyers have enquiries, they may need

samples. Buyers may like to see the garments in a new fabric. For one enquiry, they may

need samples in different fabrics to choose from. If they want to develop new style in new

fabric, then also we will have to send these samples.

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Manufacturers have to spend too much on these samples. But these samples are inevitably

important to develop business. Sometimes, even the buyer is not so confident of some

enquiries, if our samples are good and attractive at reasonable prices, they will bring orders.

Also manufacturers will have to send samples to the newly contacted buyers to show their

workmanship, product range, quality standards and price level. These samples should be

sent so that they would attract the buyers.

So it is better for a company to have a separate sampling department so that they can

create new styles in new fabrics to impress the buyers.

Salesmen Samples or Promotional Samples

Some buyer needs these samples for getting the orders from their customers. If the buyer is

having 7 salesmen in his office, then the buyer will ask companies to make 7 samples in each

style. The salesmen will book the orders from their customers, by showing these samples.

Buyer will place the order to manufacturers accumulating the quantities.

If manufacturers have sent samples for 5 styles, sometimes, they may get orders for all 5

styles, 3 styles or 1 style. Sometimes, they may not get order for even a single style.

Expected sales may not be possible, due to poor quality, unsuitable colours, improper

measurements, unmatched prints or embroidery, etc. of salesmen samples. Or it may be

due to local business recession or competition or unsuitable prices. Any way, they have to

make these salesmen samples perfectly with sincere interest to get orders.

Manufacturers might have spent more money, time, etc. for making these samples. But as

manufacturers don’t get orders, they cannot blame the buyer. The buyer too cannot help

them in this regard. To avoid this embarrassing situation, manufacturers discuss about the

cost of these samples with the buyer before proceeding for sampling.

Normally the sampling will cost approximately 3 to 5 times of the garment price.

Manufacturers cannot expect to get the full cost from the buyer. As these samples will alos

help them in business, hence they ask the buyer to accept 2 or 3 times of garment price as

the sampling cost, for the styles which they don’t get orders.

Photo Samples or Fit Samples

These samples are to be made after getting the order sheets. These samples are needed to

check the measurements, style and fit. So they can be made in available similar fabrics but

in the actual measurements and specifications.

Some buyers may need these samples if they want to print the photos of garments on photo

inlays, packing box, hangtag, etc. These samples may be needed for local advertisement or

buyer’s promotional occasions.

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In any case, the samples will be worn by the highly paid models. The buyers will arrange the

photo shoot session, by spending huge money to the advertising agencies. So the buyers will

need these samples strictly on time. If they don’t get samples on time, the buyers will have

to pay more compensation to the advertising agencies and models.

Buyers will ask us to make the photo samples according to the intended model’s body fit. So

it is important to strictly adhere to these measurements. Buyer may ask these samples to

send either from production or before starting production.

Counter Samples or Reference Samples or Approval Samples

These samples are to be made in actual fabrics with actual trims. If the order is for 3 colours,

buyer may need samples in any one colour and swatches (fabric bits) in other colours. These

samples should be strictly as per the specifications in the order sheets. Manufacturers have

to get the approval for these samples from the buyer before starting production.

After getting the approval, the approved samples should be followed in production.

Sometimes, buyer may comment on fabric, measurements, making, etc. Manufacturers

have to follow his comments carefully in production.

Some buyers will mention that the order sheets subject to the approval of counter samples.

So these samples are very important.

Wash test samples

If these samples are sent before starting production and if manufacturers get some remarks

or comments on these samples, we can correct them in production. But some buyers will

need us to send these samples from production before shipment. In this case, these samples

may be considered as ‘shipment samples’. If these samples are rejected due to some

complaints, then manufacturers will not have no excuse they will be in real trouble.

Pre-Production Samples

These samples are almost like approval samples. They have to be made in actual production

fabric with actual bulk trims. They will represent that the production will be like these

samples.

These samples are important as this is the last stage of sampling process before the final

bulk production is started and all the garments produced hence would be according to the

specifications of these samples.

Production Samples

These samples are to be sent before shipment to get the buyer’s confirmation for shipment.

Hence, these samples are needed to be perfect in all manners. Buyer may check these

samples for everything or anything. Sometimes, they may do wash test also. Manufacturers

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should not get any remark or comment. They have to get only ‘OK’ from the buyer. Then

only they can ship the goods and they can be sure of getting payment. So these samples are

to be sent with more and more care.

These samples are checked by the buyer so that s/he may know that the production is

carried out as per the requirement and as per the samples approved previously.

Shipment Samples

These samples are to be sent after shipment. They should be sent in actual packing with all

labels, tags, etc. (Generally these samples will not be tested by buyer for anything. And even

if manufacturers get some comments from buyers, they can save themselves by stating that

these samples were sent from the left over garments after the shipment; hence there might

be some mistakes. If they expect any comments in these samples, it is better to inform the

buyer during sending these samples).

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