Solutions to Defects in Aluminum Alloy Die Castings

　　In the production process of aluminum alloy die-casting parts, various defect problems often occur. However, each type of defect problem is caused by several factors. Therefore, when solving problems in actual production, facing many reasons, is it best to adjust the machine first? Or repair the mold first? Suggest processing according to the degree of difficulty, starting with simplicity and then complexity, in the following order:

　　1. Clean the parting surface, clean the mold cavity, clean the top pin, change the coating, improve the spraying process, increase the locking force, and increase the amount of cast metal,. These are measures that are implemented immediately through simple operations.

　　2. Adjust process parameters, injection force, injection speed, filling time, mold opening time, casting temperature, mold temperature, etc

　　3. Change materials, select high-quality alloy ingots, change the ratio of new materials to recycled materials, and improve the smelting process

　　4. Modify the mold, modify the casting system, add internal gates, add overflow slots, exhaust slots, etc

　　In the production process of aluminum alloy die-casting parts, it is necessary to paint from these aspects, taking into account the die-casting machine, mold, and process comprehensively. From easy to difficult, for each improvement step, check its effectiveness first, and if not, proceed to the next step.

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