1. Characteristics of cold stamping dies
① Cold punching die: wear, chipping, fracture; ② Cold drawing die: wear, bite, scratch; ③ Cold heading die: brittle fracture, cracking, wear; ④ Cold extrusion die: extrusion cracking, fatigue fracture, plastic deformation, wear.
2. Recommendations for cold stamping die selection
1) Cold punching die selection
2) Cold drawing die selection
3) Cold extrusion die selection
4) Cold heading die selection
