Syllabus for Machinisht Grinder semster 2

Syllabus for Machinisht Grinder semster 2 Trade theory

Syllabus for Machinisht Grinder semster 2 Trade theory

Trade theory

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1. Introduction Training- Revision of previous works. Common types of grinding machines. Plain cylindrical external and internal cylindrical grinder and universal
grinder.

2. Test for alignment and checking, balancing at wheel,
dressing different types of wheel, dressers, their description and uses.

3. Test for alignment and checking, balancing of wheel,
dressing different types of wheel, dressers their
description and uses.

4. Holding devices such as Magnetic chuck, chucks and
face plates collets their description and uses.

5. External grinding operational steps in external grinding of a job and precautions to be taken.

6. Holding devices such as jig and fixture angle plates 'V' blocks etc. their description and uses.

7. Internal grinding operational steps in internal grinding of a job precautions to be taken

8. Milling cutters and its nomenclature.

9. Grinding of bushes and cylinders steps and precautions to be taken

10. Rough and finish grinding limit =t and tolerances as per ISI: 919-1963. Basic size and its deviation, position of tolerances as perISI: 919-1963.

11. Heat generated in grinding dry and wet grinding use of coolant, their composition and selection.

12. Grinding a square job grinding angular surface taker grinding by stane land taper and angle protractor

13. Methods of grinding of drills reamers and taps.

14. Methods of grinding of milling cutters such as slitting saws, side and face milling cutter etc

15. Use of snap gauges, sine bar and slip gauges their description and uses. Polishing, lapping powder and
emery clothes lapping flat surface.

16. Tools and cutter grinder their description, working principles, operations care and maintenance.

17. Special types of grinding machines and centreless grinders.

18. Grinding defects vibration, chattering, glazing and loading their causes and remedies.

19. Grinding different defects and remedies

20. Applications of diamond wheel in grinding and grinding of tipped tools.

21. Preventive maintenance and its necessity. Mode of frequency of lubrication.