Workshop Technology
In sheet metal blanking, shear is provided on punches and dies so that

Warping of sheet is minimized
Cut blanks is straight
Press load is reduced
Good cut edge is obtained

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Workshop Technology
In a simple die

Two or more operations are performed simultaneously at the single stroke of the ram
Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
Two or more cutting operations are performed at one station of the press in every stroke of the ram
None of the listed here

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