Workshop Technology
In order to get uniform thickness of the plate by rolling process, one provides

Camber on the rolls
Hardening of the rolls
Offset on the rolls
Antifriction bearings

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Workshop Technology
In a simple die

Two or more operations are performed simultaneously at the single stroke of the ram
Two or more cutting operations are performed at one station of the press in every stroke of the ram
Both cutting and non-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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