Solution to IEI Trapping of Die Casting Aluminum Alloy

Release time:

2024-02-29

Features:
Dents appear on the smooth surface of the casting.

Cause:
① The difference in the wall thickness of the casting is too large, and the depression is mostly generated at the thick wall; ② The mold is locally overheated and the overheated part solidifies slowly; ③ The injection ratio is low; ④ The cavity gas cannot be discharged due to the high temperature of the mold and is compressed between the cavity surface and the liquid metal interface.

Processing method:

① The design of casting wall thickness should be as uniform as possible; ② The local cooling adjustment of the mold; ③ Increase the injection specific pressure; ④ Improve the cavity exhaust conditions.

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