In blanking of a circular sheet metal part, is the clearance applied to the punch diameter or the die diameter?

Hey, Please provide me an answer as soon as possible. I'll have to complete my assignment.

Answers (3)

taqi 02-09-2012
taqi - Pakistan Institute of Engineering and Applied Sciences, Islamabad (PIEAS)
The die diameter equals the blank diameter, and the punch diameter is smaller by twice the clearance.
raaj 24-01-2013
raaj - Shree Ram Swarup College of Engineering & Management
No it is applied to the inner surface.

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