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Manufacturing And Production Technology

Manufacturing And Production Technology
Gears can be best produced on mass production by

Forming
Hobbing
Shaping
Casting

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Manufacturing And Production Technology
A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to a height of 25 mm. The percentage change in diameter is

2.07
20.7
41.4

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Manufacturing And Production Technology
The taper on the lathe spindle is

1 in 10
1 in 20
1 in 15
1 in 30

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Manufacturing And Production Technology
Larger than 15° side cutting edge angle

Increases tool life
Decreases tool life
Results in excessive stress concentration and greater heat generation
Produces chipping and decreases tool life

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Manufacturing And Production Technology
Flank wear depends upon the

All of these
Amount and distribution of hard constituents in the work material
Hardness of the work and tool material at the operating temperature
Degree of strain hardening in the chip

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Manufacturing And Production Technology
The lip angle of a single point tool is usually

40° to 60°
60° to 80°
None of these
20° to 40°

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