MD (Diploma Mechanical Engineering 3rd)

1. Limits and fits (03 sheets)

Maximum limit of size, minimum limit of size, tolerance, allowance, deviation,

upper deviation, lower deviation, fundamental deviation, clearance, maximum

clearance, minimum clearance. Fits – clearance fit, interference fit, transition fit.

Hole basis system, shaft basis system, tolerance grades, calculating values of

clearance, interference, hole tolerance, shaft tolerance with given basic size for

common assemblies like H7/g6, H7/m6, H8/p6

2. Introduction to drawing office equipment through a visit to modern drawing office

of an industry.

3. Drawing of the following with complete dimensions, tolerances, materials and

surface finish marks.

3.1 Universal coupling (Assembly) and Oldham coupling (02 Sheets)

3.2 Bearings (04 sheets)

3.2.1 Bushed Bearing (Assembled Drawing)

3.2.2 Ball Bearing and Roller Bearing (Assembled Drawing)

3.2.3 Plummer Block ( Assembled Drawing)

3.2.4 Foot step Bearing (Assembled Drawing

3.3 Pulleys (01 sheet)

Fast and loose pulley (Assembled Drawing)

3.4 Pipe Joints (02 sheets)

3.4.1 Expansion pipe joint (Assembly drawing)

3.4.2 Flanged pipe and right angled bend joint (Assembly Drawing)

3.5 Lathe Tool Holder (Assembly Drawing) (01 sheets)

3.6 Reading of mechanical components drawings (01 sheets)

3.7 Sketching practice of bearing, bracket and pulley. (02 sheets)

4. Drilling Jig (Assembly) (01 sheet)

5. Machine Vice (Assembly) (01 sheet)

6. IC Engine Parts (03 sheets)

6.1 Piston and ring (assembly drawing)

6.2 Connecting rod (assembly drawing)

6.3 Crank shaft and flywheel (assembly drawing)

7. Mechanical Screw Jack (assembly drawing) (01 sheet)