What are the process performances of precision stamping dies?
Precision stamping die is the equipment that must be used in stamping. The influence of the die has a great connection with the workpiece. Therefore, the manufacturing requirements of precision die are very strict. In order to ensure the quality of the die, the production cost can be reduced. Have some performance.
Annealing processability: The spheroidizing annealing temperature range is wide, the annealing hardness is low, the fluctuation range is small, and the spheroidization rate is high.
Hardenability: Uniform and high surface hardness after quenching.
Forgeability: It has low hot forging deformation resistance, good precision of precision stamping parts, wide forging temperature range, low tendency for forging cracking and precipitation of reticulated carbides.
Machinability: Large cutting amount, low tool loss, and low surface roughness.
Grindability: The relative loss of the grinding wheel is small, the amount of grinding without the limit of grinding is large, and it is not sensitive to the quality of the grinding wheel and the cooling conditions, and no grinding and grinding of the precision stamping die crack occurs.
Hardenability: After quenching, a deep hardened layer can be obtained, which can be hardened with a mild quenching medium.
Oxidation and decarburization sensitivity: The anti-oxidation energy is good when heated at high temperature, the decarburization speed is slow, and it is not sensitive to the heating medium, and the tendency to produce pitting is small.
The mold is manufactured through forging, cutting, and heat treatment. It has high processing difficulty and high requirements on manufacturing materials. It should have good processing performance to ensure that there are no process defects and stable quality in the manufacturing process of precision metal stamping die.
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