Discussion :: Workshop Technology
- The upsetting is a process of
|
A.
Increasing the cross-section of a bar |
|
B.
Reducing the cross-section of a bar |
|
C.
Joining the two surfaces of metal under pressure after heating |
|
D.
Bending of a bar |
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Answer : Option A
Explanation :
Upsetting of metals is a deformation process in which a billet is compressed between two dies in a press or a hammer.
This operation reduces the height of a part while increasing its diameter. The process is mostly used as an intermediate step in multiple step forging operations
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