K L University 2009 B.Tech Mechanical Engineering machine tools - Question Paper

KONERU LAKSHMAIAH COLLEGE OF ENGINEERING
(AUTONOMOUS)
III/IV B.TECH-I SEMESTER OCT/NOV 2008
Machine tools(ME-316)
Time:3hrs Max.Marks-60
ans 1 ques. from every

ans all units


UNIT-I

1.a)What are kinds of lahtes?Explain working principles of centre lathe. (6M)
b)Explain the principle features of automatic lathes. (6M)
(OR)
2.a)Differentiate ranging from capstun and turret lathe. (6M)
b)Explain tool holding and work holding devices for lathe. (6M)

UNIT-II

3.a)Explain the clapper box mechanism in shaping machine. (6M)
b)Expalin the principle of jig boring machine with a neat sketch. (6M)
(OR)
4.a)What is the difference ranging from fine boring machine and deep hole drilling
machine. (6M)
b)Explain the crank and slotter mechanism in shaper. (6M)

UNIT-III

5.a)Sketch an indexing mechanism used in milling machine and discuss it. (6M)
b)What are the operations performed on a universal milling mahcine. (6M)
(OR)
6.a)Sketch and discuss the geometry of a milling cutter. (6M)
b)State and discuss the applications of a end milling cutter. (6M)

UNIT-IV

7.a)Explain the subsequent finishing operations.
i.)Honing ii.)lapping (6M)
b)How grinding wheel is specified?explain. (6M)
(OR)
8.a)Explain the various kinds of abrasives used in grinding wheel. (6M)
b)Explain the classification of grinding machines. (6M)

UNIT-V

9.a)State and discuss different quick clamping devices used in jigs and fixtures. (6M)
b)Explain the principle of 3-2-1- location. (6M)
(OR)
10.a)Explain the design principles of jigs and fixtures. (6M)
b)Explain the working principle of channel jig with a neat sketch. (6M)

Earning:   Approval pending.