Manufacturing And Production Technology
The maximum possible draft in cold rolling of sheet increases with the

Decrease in coefficient of friction
Decrease in roll velocity
Decrease in roll radius
Increase in coefficient of friction

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Manufacturing And Production Technology
The chamfering is an operation of

Embossing a diamond shaped pattern on the surface of a workpiece
Reducing the diameter of a workpiece over a very narrow surface
Enlarging the end of a hole cylindrically
Beveling the extreme end of a workpiece

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