Solution to Shrinkage in Aluminum Alloy Die Castings

　　Aluminum alloy die-casting parts are applied in various industries, and the market demand is huge. However, in the production process, aluminum alloy die-casting parts are prone to shrinkage problems. Today, aluminum alloy die-casting factories will explain the reasons and solutions for this problem.

　　Shrinkage is a hole caused by insufficient internal compensation during the condensation process of die castings, and the reasons are as follows

　　① Pouring temperature too high

　　② Low injection pressure

　　③ Castings have areas or sections with significant metal accumulation or changes in cross-section on the structure

　　④ Small inner gate

　　Solution to shrinkage

　　① Change the structure of castings, eliminate metal aggregation and significant cross-sectional changes

　　② Reduce the pouring temperature under possible conditions

　　③ Increase injection pressure

　　④ Properly improve the pouring system to better transmit pressure

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