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How to prevent defects in aluminum castings?

1. Improve casting structure design, avoid sharp corners, strive for uniform wall thickness, smooth transition

2. Ensure that all parts of the casting solidify at the same time or sequentially, and improve the design of the pouring system

3. Take measures to increase the conciliation of sand mold (core).

4. Properly reduce the pouring temperature.

5. Thermal correction method is used when casting is deformed.

6. Control mold cooling time.

7. Correctly control the heat treatment temperature and reduce the quenching cooling speed


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