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Dalian aluminum alloy die-casting includes aluminum, magnesium and zinc alloy die-casting products, which are widely used in cars, telecommunications, motorcycles, household appliances and other professions. Aluminum alloy die-casting release agent is a necessary auxiliary in the production process. Because the volume and size of the products are different, the degree of structural disorder is different, and the post-processing requirements of the products are different, the requirements for release agents are also different.
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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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Dalian aluminum die-casting products are many, and they are often seen in daily life. The cars running on the road, the street lamps and the mobile phones held by pedestrians are all aluminum die-cast products.
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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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2022-12-05
Pay attention to the following points when producing and using aluminum alloy die-casting die?
Pay attention to the following points when producing and using aluminum alloy die-casting die?1. When aluminum alloy liquid metal enters the mold cavity under high pressure and high speed, it will produce intense friction and impact on the surface of the formed parts of the mold, causing erosion and wear on the surface of the mold.
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