There are many kinds of stamping dies for automobile dies. The stamping dies are classified according to their working properties, die structure and die materials.
Generally, it can be classified according to the following main features:
1. Classification according to process properties
A. Punching Die: Die that separates materials along closed or open contours. Such as blanking die, punching die, cutting die, cutting die, trimming die, cutting die, etc.
B. Bending die: A die that bends a blank or other blank along a straight line (bending line) to obtain a workpiece with a certain angle and shape.
C. Deep drawing die: a die that makes a blank of a sheet into an open hollow part or makes the hollow part change its shape and size further.
D. Forming die: a die that directly reproduces the shape of the convex and concave die of a blank or semi-finished product according to the figure, while the material itself produces only local plastic deformation. Such as bulging die, necking die, expanding die, undulating forming die, flanging die, shaping die, etc.