In a compound die Two or more cutting operations are performed at one station of the press in every stroke of the ram.
In a compound die Two or more cutting operations are performed at one station of the press in every stroke of the ram.
In a Combination die both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.
Blanking and piercing operations can be performed simultaneously in a Compound die.
It is difficult from compound die in that in this die, a cutting operation is combined with a bending or drawing operation, due to that it is called combination die.
Piercing is process in which punch operation cuts a hole / material by tearing operation from a final piece of sheet metal. Piercing is a blanking operation
In piercing operation, the clearance is provided on Die.