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SUBJECT: WORKSHOP PRACTICE

• SUBJECT CODE: ME-121

• CREDIT HOURS: 1-2

• CONTACT HOURS: 1+6 per week

• COURSE DOMAIN: Engg Foundation • INSTRUCTORS: Lt Col ®TVF Rashid Iqbal Ansari

Lab Engr Saqib Anwar

• CLASS ROOM: CRC-14 & WTD Class Room

• WORK SHOPS: WTD Work Shops

ABOUT RASHID ANSARI

• Ph.D in Mechanical Engineering (sch)

• MS in Environmental Engineering NUST

• B.E. Mechanical Engineering UET Lahore

Contact: Tel: 9247546, 9247550-55 Ext 4316

Mob: 0323 5420278

Email:rashidemenust@gmail.com

EDUCATIONAL BACKGROUND

• Fabrication and Manufacturing• Renewable Energy• Manufacturing Engg• Micro Hydro Power Systems

EXPERTIES AND RESEARCH INTERESTS RASHID ANSARI

Feasibility and Performance Evaluation of Hydrovac gravity Power System

PhD RESEARCH AREA

LAB ENGR SAQIB ANWAR

• B.E. Mechanical Engineering, 2013 College of E&ME• National University of Sciences & Technology (NUST)

EDUCATIONAL BACKGROUND

• Fabrication and Manufacturing • Materials and Process• Tech Report Writing

EXPERTIES AND RESEARCH INTERESTS

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LAB ENGR AZMAT

• B.E. Electrical Engineering UET Taxila

EDUCATIONAL BACKGROUND

Mechanical Engineering Dept. CEME NUST 9

COURSE:WORKSHOP PRACTICE

Recommended Books:

Workshop Technology by W A J Chapman Vol 1 and 2

Electrical Wiring 14th Edition By Richter and Schwan McGraw-Hill

Education

Mechanical Engineering Dept. CEME NUST 10

OBJECTIVES OF THIS COURSEThis course has following Specific Objectives:

To introduce students to basic concepts of workshop technologies ,machine tools. To gain basic understanding of various engineering practices in machining, forging ,casting, welding , wood working and electrical circuits.

To get hands on experience on various machines. To learn the use various tools.

TEACHING AND EXAM STRATEGIES The course will be taught via Lectures, Audio

Visual Presentations, Practical and Tutorial

Sessions. The practical work and demonstration

designed to complement and enhance practical

skill and the student’s appreciation of the subject.

Students will be evaluated through exams,

quizzes, class participation, note book and

assignments on the basis of OBE system.

WORKSHOP PRACTICE

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COURSE CONTENTS•Wood Working

To study types of carpentry tools & prepare types of wooden joints.

•WeldingTo study types of welding processes & making of

welding joints (Lap, Butt etc)

COURSE CONTENTS (CONTD)

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• MachiningStudy of Lathe Machine components & its

operations with preparation of work piece• Electroplating To study various types of Electroplating• Forging

To prepare simple engineering components/shapes using forging process

COURSE CONTENTS (CONTD)

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• Electric Fitting To acquaint with different types of cables & electrical

terminologiesTo make a circuit for electrical bellTo make a circuit for bulb controlled by 2 way switches

• Fitting & AssemblyTo assemble different parts of the project using vice &

mark table, drilling, machining, hammer & cutting tools

COURSE CONTENTS (CONTD)

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• Gear MakingTo study types of gears & preparation of gear

using Dp System, Cp System & module • Casting

To prepare a mould for casting on the basis of specific engineering details

• Workshop SafetyTo study various workshop safety procedures

REVIEW OF THE TOPICS

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• Fitting And Assembling• Welding• Forging • Casting• Machining Process• Electroplating• Gear Making• Electric Circuits• Wood Working• Workshop Safety

TEST WORK PIECE

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• USING THE VARIOUS MACHINING PROCESSES AND ASSEMLING TOOLS YOU WILL PRACTICALLY PREPARE A WORK PIECE IN THE WORKSHOP

WORK PIECE

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EXAMS,QUIZES, ASSIGNMENTS• Two Sessional Exams (6th Week and12th week) will be held• Quiz tests ( after 6th Week and 12th week) • Assignments will also be given• You are required to submit a Note Book (100 Marks) before final viva• Final Exam • Viva & Project

• Warning: Min 75 % attendance is mandatory to appear in the Exam. Check and confirm your attendance regularly from CMS System

• Make up Classes may also be arranged for holidays or any other reason

Todays Topic

FITTING AND ASSEMBLING

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FITTING

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• Bench work plays an important role in engg workshop. The work carried out at fitting bench or bench vice is called fitting

BENCH VICE

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FITTING

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ASSEMBLING

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ASSEMBLING

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• Assembly is a manufacturing process in which parts (usually interchangeable parts) are added to a product in a sequential manner to create a finished product much faster than with handcrafting-type methods system. The parts made in machining, welding, woodworking, electric fitting & gear making are assembled together to make an assembly.

CLASSIFICATION OF FITTING TOOLS

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• Measuring Tools• Holding Tools• Cutting Tools• Striking Tools• Drilling Tools• Threading Tools• Marking Tools• Fixing Tools• Checking Tools

FITTING & ASSEMBLING TOOLS

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TOOLS•Plier and cutters (Hand tools)•Spanner•Punch round•Chisel cold flat cut•Chisel cold cross cut•Screw driver flat•Screw driver Philips•Hand vice•Chain pipe wrench•Hacksaw hand with blade

TOOLS(contd)

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• Scrapper• Scrapper engg triangular• Scrapper engg half round• Hammer engg ½ lbs• Divider spring• Caliper outside• Caliper inside• Half round file• Steel rule• Square engg

Ball,straight and cross peen hammer

Search yourself

TOOLS (Contd)

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• Scrapper 8 in• Extractor cotter pin• File flat Bustard (16, 14, 12 in)• Smooth file 12 in• Chisel (half round)• Electric drill• Vice & mark table• Center punch• Tap & tap holder

CHISEL

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Types of Chisels

BENDING OF FLAT STRIP

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FEW MORE TOOLS USED IN FITTING AND ASEMBLING

MICRO METER

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MEASUREMENT FROM MICRO METER

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THE READING IS 7.38 MM

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EXERCISE

MEASUREMENT FROM MICRO METER

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MEASUREMENT FROM MICRO METER THE READING IS 7.72 MM

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READING IS 3.46

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CALIPPERS

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FITTING

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ASSEMBLING

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ASSEMBLING

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• Assembly is a manufacturing process in which parts (usually interchangeable parts) are added to a product in a sequential manner to create a finished product much faster than with handcrafting-type methods system. The parts made in machining, welding, woodworking, electric fitting & gear making are assembled together to make an assembly.

VERNIER CALLIPER

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MEASURING FROM VERNIER CALLIPER

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MEASURING FROM VERNIER CALLIPER

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Vernier Caliper

FEW MORE TOOLS and MACHINES

HACK SAW

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BLADE GEOMETRY

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TYPES OF DRILL BITS

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COUNTER SUNK BITS

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COUNTER SUNK BITS

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COUNTER SUNK BITS

TAPS

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SCRAPERS

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TRIANGULAR SCRAPER

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FILES

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TYPES OF FILES

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FILES

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TRIANGULAR FILE

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SPANERS

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Types of Spanners

Types of Spanners

Types of Spanners

SOCKET SET

BENDING PRESS

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SHEET CUTTING

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SHEET CUTTER

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SHEET CUTTING PRESS

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HAND DRILL

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BENCH DRILL MACHINE

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SAFE WORK PRACTICES

CHECK YOUR ATTENDENCE ON CMS AND ENSURE YOUR REGISTRATION

WITH CMS

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•THANKS