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Aluminum alloy die casting die crack reason and prevention
by：Lisson
2020-11-20
Aluminum alloy die-casting mold in the production after a period of time will be the cause of the cracks mainly include the following:
1. Mold temperature on the high side, too much stress.
2. Mold heat treatment hardness is too high.
prevention die casting crack problem, improve the service life of the mold, to do well the following points.
1. Die mold molding parts heat treatment requirements; To be to ensure that the hardness of 43 - 48HRC。
2. Fully preheat the homework before mould in die casting production.
1. Mold temperature on the high side, too much stress.
2. Mold heat treatment hardness is too high.
prevention die casting crack problem, improve the service life of the mold, to do well the following points.
1. Die mold molding parts heat treatment requirements; To be to ensure that the hardness of 43 - 48HRC。
2. Fully preheat the homework before mould in die casting production.
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