Group technology[1](1)
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Group Technology
By: Ashish Kumar Jha k12593 B.Tech 1st yr. 2nd sem.(C.S.E)
CAREER POINT UNIVERSITY KOTA
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MAJOR ASSIGNMENT MANUFACTURING
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What will be Covered?
An introduction to group technology.Group technology coding structures.How group technology will help improve quality.The benefits and obstacles for managers using group technology.
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IntroductionGroup technology was introduced by Frederick Taylor in 1919 as a way to improve productivity.
One of long term benefits of group technology is it helps implement a manufacturing strategy aimed at greater automation.
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What is group technology?Group technology (GT) is a manufacturing philosophy that seeks to improve productivity by grouping parts and products with similar characteristics into families and forming production cells with a group of dissimilar machines and processes.
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BackgroundThe introduction of GT techniques in: General ElectricLockheed Missiles and Space Co.Boeing GT viewed as:An essential step in the move toward factory automation.A necessary step in maintaining a high quality level and profitable production.
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**Brainstorming** How can group technology be used in your organization?
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Group TechnologyGroup technology implementation can be broken down into 3 different phases:Actions on the manufacturing processChanges to the production processResults for the organization
Examples of the impacts group technology has had on the production process.
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Implementation Phases Group technology has the following actions on the manufacturing process:Part Simplification
Process Standardization
Production Control
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Impacts of Group Technology Different impacts group technology has on the production process: Reduced purchasing costLess redundant purchases.Accurate cost estimationA more efficient process Quicker design changesStandardized PartsImproved customer serviceClassification builds customer relationships
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A Classification SchemeCoding Structures for PurchasingGT coding is the process of assigning symbols, numerics, and letters to a particular attribute of a particular item There are 3 different coding structuresMonocodesPolycodesHybrid(mixed-mode) codes
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Effects of Classification The automated GT coding system using bar-code technology can:Improve accuracy and productivity in identifying similar purchased items
Facilitate communication between the buyer and the vendor
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Implementing a Classification Scheme The three steps of implementing Group Technology in the process based approach:
Analyzing the flow of parts through the shopCoding parts and then grouping them into
families based on their manufacturing processesMaking machine group selections.
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A Real World ExampleUsing GT to improve quality.Peony Corporation, in JapanCurrently: Produces television setsProblem: Customers requested different sizes and functionsChallenge: To maintain a high level of quality due to many new partsImplementation: At the design phaseResults: Peony kept the number of parts small by increasing part standardization lowered costs
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Managerial Benefits The Benefits of Group Technology Classification:
Reduced Purchasing Cost Through Volume PurchasingCan purchase fewer different items at higher volumes
Faster Lead TimeCan quickly identify the materials or materials needed
Better Negotiation LeverageValue Analysis
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Potential Obstacles The Obstacles of Group Technology Classification:
Management Resistance to ChangeUnwilling to devote the time and energy
Extensive Data RequirementsThe proper identification needs detailed item descriptions extensive purchase records/data
High Start-Up CostItem characteristics are not available without the aid of automated information storage and retrieval systems which usually incur high expenses until GT is in place
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SummaryThere are many benefits and obstacles toward the use of group technology in an organization.
All things considered, GT is viewed as:An essential step in the move toward factory automation.A necessary step in maintaining a high quality level and profitable production.
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