Anna University of Technology Tirunelveli 2010 B.E Mechanical Engineering Manufacturing technology-2 for - Question Paper

Two marks:
1. How do you classify tool wear?
2. describe Tool Life.
3. Distinguish ranging from Capstan lathe from Turret lathe.
4. State the various methods of taper turning.
5. How do you classify milling cutters?
6. describe Broaching.
7. State the applications of honing and lapping finishing methods.
8. Compare gear forming with gear generation method.
9. State the limitations of CNC machine tools.
10. What is a 'Canned' cycle?

Sixteen marks:
11. (a) (i) explain the different kinds of chips produced during metal machining. (Marks 6)
(ii) State the parameters that influence the life of tool and explain. (Marks 10)
Or
(b) (i) What is meant by Orthogonal Cutting and Oblique Cutting? (Marks 6)
(ii) discuss 'Merchant force circle' along with assumptions. (Marks 10)

12. (a) (i) explain the main parts of a turret lathe. (Marks 6)
(ii) discuss the working of Swiss kind auto lathe with a neat sketch.
(10)
Or
(b) (i) What is meant by 'tool layout' of a turret lathe? (Marks 6)
(ii) Name the different lathe accessories. How does a 4 jaw chuck differ from a 3 jaw chuck? (Marks 10)

13. (a) (i) elaborate the operations performed on a milling machine? (Marks 6)
(ii) discuss various kinds of drilling machines with their specific features. (Marks 10)
Or
(b) (i) explain the different kinds of broaches. (Marks 6)
(ii) explain the common work holding devices used on shapers, slotters and planers. (Marks 10)

14. (a) (i) provide the specification of grinding wheel. (Marks 6)
(ii) What is meant by dressing and truing of grinding wheel? (Marks 10)
Or
(b) (i) List the advantages and limitations of gear shaping. (Marks 6)
(ii) discuss the principle of gear hobbing with neat sketches. (Marks 10)

15. (a) (i) Under what conditions of production the numerically controlled machine tools are employed? (Marks 6)
(ii) discuss the different elements of NC machine with closed loop control system. (Marks 10)
Or
(b) (i) discuss the main difference ranging from point to point and continuous path kind of numerically controlled machine tools. (Marks 6)
(ii) List any 5 motions and control statements of computer assisted NC programming and discuss. (Marks

Earning:   Approval pending.