How to deal with the problem of excessive impurities in aluminum alloy die castings

　　The reason for excessive impurities in aluminum alloy die castings is that the aluminum liquid does not meet the standard and is mixed with impurities. 2. Recycled materials, nozzle materials, and flying edge materials enter the aluminum liquid with impurities. 3. Aluminum produces metal compounds during the melting process, causing changes in its properties. 4. The entry of dust. 5. Oxides generated in contact with air during the melting, transportation, and pouring process of aluminum materials. 6. The impact of auxiliary production materials such as release agents. If preventive measures are not taken, die castings may experience cracks, increased corrosiveness, increased scrap rate, and discontinuous alloy structure. At this time, it is necessary to control the quality of aluminum materials, regularly clean molds and other tools, use high-quality release agents, and maintain a clean working environment.

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