How to prevent cracks in aluminum alloy die-casting parts in die-casting factories

　　How to prevent cracks in aluminum alloy die-casting parts in die-casting factories

　　Cracks are irreparable defects in aluminum alloy die-casting parts. Once cracks appear, it means that the die-casting parts are scrapped, which will affect the production efficiency of the die-casting parts and also affect the financial and material resources of the processing. So, how does a technologically strong die-casting factory prevent cracks in die-casting parts?

　　Firstly, the inspection of cracks can determine whether there are cracks in the die casting. Alkalinity can be used for inspection, and areas with cracks will have dark gray straight or wavy patterns. Based on the patterns, we can determine whether cracks have appeared. The appearance of cracks may be due to: 1. Excessive impurities in the aluminum alloy raw material, leading to poor plasticity of the aluminum alloy. 2. The temperature of the mold is low. 3. The variation in wall thickness of die castings varies greatly. Based on the analysis of the causes of occurrence, the following preventive measures are proposed: 1. Select high-quality and ingredient tested raw materials. 2. Adjust the mold temperature appropriately. 3. Reasonable structural design to avoid significant changes.

　　The analysis and prevention methods of cracks in aluminum alloy die castings are the above points

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