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Blanking is an operation in which the desired part is the sheet left out after making a punch hole in it.

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in Casting-Forming-Welding II by (119k points)
Blanking is an operation in which the desired part is the sheet left out after making a punch hole in it.

(a) True

(b) False

This question was addressed to me by my college director while I was bunking the class.

Asked question is from Blanking and Piercing in division Forming Process of Casting-Forming-Welding II

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The correct answer is (b) False

Explanation: Blanking is a kind of shearing operation which is generally carried out along a closed contour. In this operation, the required part is the material inside the sheared contour which is called as blank. For example, circular blanks are taken out from the metal sheet for subsequent deep drawing of cups.

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