Bookmark Manufacturing Science II

Bookmark Manufacturing Science II Bookmark Manufacturing Science II Sample PDF Download
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CONTENT Unit
Unit Name
Page No.
I
Forging Extrusion
1
II
Rolling Drawing
15
III
Press Working Jigs Fixtures
33
IV
Grinding Gear Cutting
63
V
Unconventional Machining, Flow Turning Thread Rolling
76
Unit I FORGING EXTRUSION Q. 2. Differentiate hot and cold forging.
2007
Ans. Hot forging- Hot forging is the plastic deformation of metal at a temperature above the recrystallization temperature and strain rate such that recrystallization occurs simultaneously with deformation. Cold forging - It is done at or near room temperature. Carbon and standard alloy steels are most commonly cold forged. The primary advantage of hot forging is the material saving achieved require Q. 1. What are the types of forging methods, which are generally used 2009