1. Metal Cutting
Introduction to machining and common machining operations. Cutting tool materials, geometry of
cutting tool, cutting fluid. Definition of machine tools, specification and block diagram of lathe,
shaper, milling, drilling machine and grinder. Common lathe operations such as turning, facing and
chamfering and parting. Difference between drilling and boring. Use of measuring instruments like
micrometer / vernier caliper.
2.Tin Smithy – Surface development,
Shearing and Bending of sheets, Making simple products by Tin Smithy practice.
3. Brazing – Basic Process of Brazing
4. Jobs to be made in the Workshop
Group A
1) Jobs on lathe with turning, facing, chamfering and parting
operations
2) Job on shaper and milling machine for finishing two sides of a job
3) Drilling of holes of size 5 and 12 mm diameters on the jobs /
External threads making by dies, Tap size drill hole/ hand tapping
operations
Group B
Demonstration of brazing
Group C
Tin Smithy - making simple products on sheet metal