Main feature classification:
1. Classification according to the nature of the process
a. Blanking die: A die that separates materials along a closed or open contour. Such as blanking dies, punching dies, cutting dies, incision dies, trimming dies, cutting dies, etc.
b. Bending die: A die that bends and deforms a sheet blank or other blank along a straight line (bending line) to obtain a workpiece with a certain angle and shape.
c. Deep drawing die: It is a die that makes the blank of the sheet into an open hollow part, or further changes the shape and size of the hollow part.
d. Forming die: It is a die that directly copies and forms the blank or semi-finished workpiece according to the shape of the convex and concave die, and the material itself only produces local plastic deformation. Such as bulging die, shrinking die, flaring die, undulating forming die, flanging die, shaping die, etc.
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