Introduction: Principles of Drawing, Requirements of production drawing, Sectioning and
conventional representation, Dimensioning, symbols of standard tolerances, Machining Symbols,
introduction and Familiarization of Code IS: 296
Fasteners: Various types of screw threads, types of nuts and bolts, screwed fasteners, welding
joints and riveted joints
Punjab Technical University
Assembly and Disassembly:
a) Couplings: Solid or Rigid Coupling, Protected Type Flange coupling, Pin type flexible coupling,
muff coupling, Oldham, universal coupling, claw coupling, cone friction clutch, free hand sketch
of single plate friction clutch.
b) Knuckle and cotter joints
c) Pipe and Pipe Fittings: flanged joints, spigot an socket joint, union joint, hydraulic an
d) IC Engine Parts: Piston, connecting rod
e) Boiler Mountings: Steam stop valve, feed check valve, safety valve, blow off cock.
f) Bearings: Swivel bearing, thrust bearing, Plummer block, angular plumber block
g) Miscellaneous: Screw Jack, Drill Press Vice, Crane hook, Tool Post, Tail Stock, Drilling Jig.