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Aluminum die-casting is a common metal processing method that can be used to manufacture various aluminum alloy components, such as automotive engine components, aviation engine components, electronic equipment casings, etc. Next, we will introduce the process of aluminum die-casting processing.
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Aluminum die-casting is a common aluminum alloy casting technology with good processing performance and strength, widely used in aviation, automotive, electronics, machinery and other fields. In the process of aluminum die-casting, selecting appropriate aluminum alloy materials is crucial for the quality and performance of the product. So, how do professional aluminum die-casting manufacturers choose suitable aluminum alloy materials?
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The reason of shrinkage and shrinkage defects in Dalian aluminum die casting processing is that the liquid shrinkage and solidification shrinkage of metal are larger than the solid shrinkage. When performing sequential solidification, the liquid metal cannot be replenished in the solidified area, and holes will be formed. Large and concentrated holes are called shrinkage holes, and small and dispersed holes are called shrinkage holes. Prevention methods are:
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The reason of shrinkage and shrinkage defects in Dalian aluminum die casting processing is that the liquid shrinkage and solidification shrinkage of metal are larger than the solid shrinkage. When performing sequential solidification, the liquid metal cannot be replenished in the solidified area, and holes will be formed. Large and concentrated holes are called shrinkage holes, and small and dispersed holes are called shrinkage holes. Prevention methods are:
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Introduction of processing types of aluminum die castings in Dalian1) Dalian Aluminum die-casting pressure casting has three casting methods: low pressure (pressure no more than 20MPa), medium pressure (pressure no more than 300MPa) and high pressure (pressure more than 3000MPa).
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What surface treatment is required for aluminum alloy die casting?1. Aluminum phosphatingThe effects of accelerant, fluoride, Mn2+, Ni2+, Zn2+, PO4 and Fe2+on the phosphating process of aluminum were studied in detail by means of SEM, XRD, potential time curve and film weight change.
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