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Die-punch clearance is mainly provided for inducing strength in the blank obtained by the metal sheet cutting.

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in Casting-Forming-Welding II by (119k points)
Die-punch clearance is mainly provided for inducing strength in the blank obtained by the metal sheet cutting.

(a) True

(b) False

I had been asked this question in class test.

Enquiry is from Types of Sheet Metal Die topic in section Types of Die & Metal Forming Processes of Casting-Forming-Welding II

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The correct choice is (b) False

The explanation: In sheet metal forming or cutting operations, die punch clearance is present which basically used to govern the kind of finish obtained on the final part. Die punch clearance is very critical in operations like blanking and punching because it involves very close tolerances which give accurate and precise details on the finished part.

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