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　　By doing zinc alloy die-casting and understanding these, we can surpass our peers

　　Zinc alloy die casting is a common process in industrial manufacturing, which is highly favored for its high efficiency and stability. The zinc alloy die castings produced are widely used in aerospace, automotive manufacturing, handicraft manufacturing, toy manufacturing, digital product manufacturing, and other fields.

　　Although the zinc alloy die-casting process is known as one of the most mature die-casting processes at present, there are still some areas worth researching and improving. For example, shrinkage holes are one of the areas worth improving in the zinc alloy die-casting process. During the solidification process of the zinc alloy metal liquid, small holes may appear inside or on the surface of the die-casting due to volume shrinkage, which can affect the quality of the die-casting and subsequent processes. For example, holes may form on the surface of the die-casting during polishing or bubbles may occur during surface treatment, which can cause the die-casting to be scrapped and increase production costs. So how should this "disease" be treated?

　　There is currently no complete cure for the shrinkage holes in zinc alloy die-casting technology, and it can only be made as dispersed and small as possible. This is the limitation of zinc alloy die-casting technology. There are three strategies for treating shrinkage holes. Firstly, the die-casting part should be cooled as evenly as possible to reduce the degree of shrinkage hole aggregation; Secondly, improving the pouring system can result in smaller and fewer shrinkage holes; The third is to design the structure of the die-casting parts reasonably, which can reduce the aggregation area and improve the surface quality of zinc alloy die-casting parts.

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