Anna University Chennai 2010-4th Sem B.E Mechanical Engineering , , il/ ester, , me 2252 - manufacturing technology - ii, (regulation 2008) - Question Paper

B.E/B.Tech DEGREE EXAMINATION, APRIL/MAY 2010.
4th Semester
Mechanical Engineering
ME 2252 – MANUFACTURING TECHNOLOGY – II
(Regulation 2008)
Time : 3hours Maximum: 100marks
ans ALL ques.
PART A-(10×2=20 marks)

1. How do you classify tool wear?
2. Define 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. Define 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?

PART B – (5×16=80 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 Swiss kind auto lathe with a neat sketch. [Marks 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 drilling 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 in shapers, slotters and planers.[Marks10]
14. (a) (i) provide the specification of grinding wheel. [Marks 6]
(ii) What is meant dressing and truing of grinding wheel? [Marks 10]
Or
(b) (i) List the advantages and limitations of gear shaping. [Marks 6]
(ii) discuss the principles of gear hobbing with its 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 of numerically controlled machine tools. [Marks 6]
(ii) List any 5 motions and control statements of computer assisted NC programming and discuss [Marks 10]
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Earning:   Approval pending.