Q111
The upsetting is a process of
A.
Increasing the cross-section of a bar
AnswerB.
Reducing the cross-section of a bar
C.
Joining the two surfaces of metal under pressure after heating
D.
Bending of a bar
Answer: Option A
Solution
Answer: Option A
Solution:
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