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Fine blanking is a finishing operation in which shearing is done with very small clearances.

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in Casting-Forming-Welding II by (119k points)
Fine blanking is a finishing operation in which shearing is done with very small clearances.

(a) True

(b) False

I got this question during an online exam.

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

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The correct option is (a) True

To explain I would say: Fine blanking is normally a single step finishing operation in which shearing is done with very small clearances nearly about one percent. Close tolerances are provided in order to achieve dimensional accuracy in the operation. In this process, smooth edges are produced by the application of clamping force on the blank which also avoids the distortion of sheet during operation.

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