rectangular aluminum extrusion profiles.What measures should die casting mould factory take for die failure

　　The failure forms of die casting die include wear, fatigue, cracking, fracture, plastic deformation, etc. According to the failure form, failure analysis is carried out to avoid similar accidents and find out solutions.

　　First, mold wear

　　Cause: The cause of mold wear failure is friction, blanking and punching, the blade of the mold is blunted due to wear, so the cast burrs produced are increased.

　　Solution: 1, tempering stress relief. 2, reduce the injection speed within the process range. 3, reduce the liquid temperature within the process range.

　　Second, the mold cracks

　　Reason: 1, mold temperature is low, did not do preheating. 2, cavity surface hardness is low and the stress is high.

　　Solution: 1, increase the preheating temperature. 2, tempering stress relief.

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