B.E. I Sem (All Branches)

I SEMESTER

109. WORKSHOP PRACTICE

List of Experiments
1. Carpentry Shop
• Timber, definition, engineering applications, seasoning and preservation
• Plywood and ply boards
2. Foundry Shop
• Moulding Sands, constituents and characteristics
• Pattern, definition, materials types, core prints
• Role of gate, runner, riser, core and chaplets
• Causes and remedies of some common casting defects like blow holes, cavities, inclusions
3. Welding Shop
• Definition of welding, brazing and soldering processes and their applications
• Oxyacetylene gas welding process, equipment and techniques, types of flames and their
applications
• Manual metal arc welding technique and equipment, AC and DC welding
• Electrodes: Constituents and functions of electrode coating, welding positions
• Types of welded joints, common welding defects such as cracks, undercutting, slag inclusion and boring
4. Fitting Shop
• Files, materials and classification.
5. Smithy Shop
• Forging, forging principle, materials
• Operations like drawing, upsetting, bending and forge welding
• Use of forged parts

List of jobs to be made in the workshop practice

CARPENTRY SHOP
1. T – Lap joint
2. Bridle joint
FOUNDRY SHOP
3. Mould of any pattern
4. Casting of any simple pattern
WELDING SHOP
5. Gas welding practice by students on mild steel flat
6. Lap joint by gas welding
7. MMA welding practice by students
8. Square butt joint by MMA welding
9. Lap joint by MMA welding
10. Demonstration of brazing
MACHINE SHOP PRACTICE
11. Job on lathe with one step turning and chamfering operations
12. Job on shaper for finishing two sides of a job
13. Drilling two holes of size 5 and 12 mm diameter on job used / to be used for shaping
14. Grinding a corner of above job on bench grinder
FITTING AND SMITHY SHOP
15. Finishing of two sides of a square piece by filing
16. Tin smithy for making mechanical joint and soldering of joint
17. To cut a square notch using hacksaw and to drill three holes on PCD and tapping