In piercing operation, the clearance is provided on
A. Punch
B. Die
C. Half on the punch and half on the die
D. Either on punch or die depending upon designer's choice
Answer: Option B
Solution (By Examveda Team)
Piercing is process in which punch operation cuts a hole/material by tearing operation from a final piece of sheet metal. Piercing is a blanking operation.In piercing operation, the clearance is provided on die.
This Question Belongs to Mechanical Engineering >> Workshop Technology
the statement Piercing is a Blanking operration , is I think wrong. Piercing is opposite to blanking or similar to punching.
Correct ans. (A) punch