A small method to prevent hot cracking of aluminum alloy die-casting parts

　　During the production of aluminum alloy die-casting parts, sometimes due to high temperature or improper operation, hot cracking may occur, which can affect the quality of aluminum alloy die-casting parts. Therefore, there should be corresponding methods to deal with this phenomenon and try to avoid and ensure the quality of aluminum alloy die-casting parts. The editor will provide you with six methods to prevent hot cracking of aluminum alloy die-casting parts online:

　　1. Refine the alloy arrangement and improve the hot cracking ability.

　　2. Choose the appropriate mold temperature based on the thickness of aluminum alloy die castings.

　　3. Control the thickness of the coating to ensure that the cooling speed of each part of the aluminum alloy die casting is consistent.

　　When practicing the pouring system, partial overheating should be avoided and internal stress should be reduced.

　　5. Improve the structure of aluminum alloy die castings, eliminate sharp corners and sudden changes in wall thickness, and reduce the tendency for hot cracking.

　　6. It is necessary to ensure that the inclination of the mold and core is above 2 °. Once the sprue is solidified, the core can be pulled out and opened. If necessary, sand cores can be used to replace metal cores.

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