A press die is a die that is attached to a press machine and consists of an upper and lower pair.
Steel and other plate materials are passed between the upper and lower pairs of dies, and then pressed from above and below to form the material to make products.
Press dies include "punching dies," "bending dies," "drawing dies," and "compression dies.
As for the types, there are "single-shot type," "progressive type," "transfer type," etc.