New Syllabus for Machinist grinder Sem. 2019(trade theory)

Trade Theory (1st Semester)

Machinist (Grinder)semester 1 -Syllabus

1. Importance of safety and general precautions observed in the in the industry/shop floor. All necessary guidance to be provided to the new comers
to become familiar with the working of Industrial Training Institute system including stores procedures.

2. Description of hand tools, Safety precautions, care and maintenance and material from which they are made. Ferrous and nonferrous metal and their identi=cation by different methods. Application and use of pedestal grinder.

3.Theory of Semi precision instruments.

4. Relation between drill & tap sizes, care of taps and dies and their correct use.

5. Brief description of drilling machine use and care.

6.Hea t treatment of metals, its importance, various methods of heat treatment.

7. Brief description of a Centre lathe, its use

8. Lathe tools and their uses taper and its types and problems on taper.

9.Method of screw cutting simple calculation.

10. Thread and its element types.

11. Introduction to Grinding trade and machine safety precautions according to IS: 1991-1962.

12. General measuring tools (used in grinding shop) their description, use care and maintenance

13. General dressing tools used in grinding section such as wheel, diamond dresser, steel type dresser, abrasive dresser and nonferrous dresser.

14. Precision instruments English and metric micrometer, vernier caliper, dial testindicator etc. their description and uses

15. Principle and value of grinding in finishing process, various types of grinding wheels their construction and characteristic glazed and loaded wheels.

16. Grinding practice on surface and cylindrical

17. Different types of abrasive, manufacture of grinding wheels, their grades.

18. Factors effecting selection of wheels, identi=cation of wheel, marking system of grinding wheels IS: 551-1966.

19. Grit and different types of bonds, such as vitrified, resinoid,rubber etc.

20. Grinding wheel speed, surface speed per minute conversion of peripheral speed to r.p.m. Depth of cut and range at usefulness.