WORKSHOP PRACTICE-I (G203)
DETAIL COURSE CONTENT
PART A: THEORY
UNIT 1- WOOD WORKING SHOP:
Introduction to the trade.Types of wood and its characteristics.Defects in timber and its identification.Wood working hand tools.Wood working machine tools.Wood working processes.Joints and joinery processes.Varnishing and painting. Safety precautions.
Introduction to the trade.Types of wood and its characteristics.Defects in timber and its identification.Wood working hand tools.Wood working machine tools.Wood working processes.Joints and joinery processes.Varnishing and painting. Safety precautions.
UNIT 2-FABRICATION SHOP (WELDING):
Introduction to metal joining.Electric arc welding.Gas welding.Equipment and consumables used in welding.Types of welding joints.Welding defects.Safety precautions in welding.
UNIT 3-FITTING SHOP:
Introduction to the equipments and tools of fitting shop.Types of files and filling processes. Drill bits and drilling process. Safety precautions to be observed in fitting shop.
UNIT 4-SHEET METAL SHOP :
Sheet metal hand tools and machines.Types of sheets.Operations in sheet metal shop: shearing bending, folding,Rolling, swaging, grooving, etc. Sheet metal joints: temporary and permanent. Soldering: process, equipment, consumables .Brazing: process, equipment, consumables.
UNIT 5-MEASUREMENT & INSPECTION:
Measurement and its types.Instruments used for linear measurement. Instruments used for angular measurement.Instruments used for measuring weight and mass. Instruments used for measuring current, voltage, power and insulation.
UNIT 6-ERECTION OF MACHINES:
Leveling and alignment. Assembly of machine.Laying of cables.Wiring of cables to interface.Demonstration of erection of machine.
UNIT 7-PIPE FITTING :
Types of pipe and its application.Pipe fitting tools.Pipe bending Pipe fitting op.
PART B: PRACTICAL :
SUGGESTED LIST OF EXPERIMENTS/ DEMONSTRATIONS
1. Making a lap joint with help of wood working hand tools.
2. Making a Mortise and tennon joint as per drawing.
3. Making a Dovetail joint as per given drawing.
4. Varnishing of finished given job as per instructions
5. Cutting of metal workpiece using oxy acetylene gas welding
6. Preparation of butt joint using arc welding on 4mm M.S. plate
7. Preparation of Tee joint on M.S. sheet by arc welding
8. Carryout the following on given Mild Steel job:
(a) Prepare and check surface flatness
(b) Prepare and check surface perpendicularity.
(c) Drill three holes of different diameter as per instructions
9. One job on fitting joints containing different operation such as hacksaw cutting, filing, slotting and fitting.
10. Soldering of IC on PCB.
11. Preparation of sheet metal square box of size 12’ and depth 4”.
12. Preparation of temporary joint using screw.
13. Compare various methods of length and diameter measurement.
14. Measure the area of irregular figure with the help of plannimeter.
15. Measure current and voltage (A.C. and D.C.).
16. Investigation of some errors in electrical measurements
SUGGESTED LEARNING RESOURCES:
Reference Books:
1. S.K. Hajra Choudhury Workshop Technology Vol 1 &2 Media Promoters of Publishers
2. Khanna, O.P. Workshop Technology Dhanpat Rai & Sons Publications
3. Chapman Workshop Technology Parts 1 & 2 4th Edition, Viva Books P. Ltd., New Delhi
4. Kenyon Pitman Basic Fabrication & Welding Pitman Pub. Ltd.
5. P.N.Rao Manufacturing Technology Tata Macgraw Hill