In blanking 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 A
Solution (By Examveda Team)
In blanking the punched out piece is used and called a blank; in piercing the punched out piece is scrap.In blanking operation, the clearance is provided on punch.
This Question Belongs to Mechanical Engineering >> Workshop Technology
In case of blank operation, die is made exact in size and hence clearance is provided on the punch ...hence provided answer is correct option: (a)
answer is B
because in blanking operation blank is useful so clearance is provided on die not on punch
in peircing operation clearance is provided on punch because blank is waste part and sheet is useful