die cast aluminum junction box.Knowledge sharing on the production quality of zinc alloy die-casting parts

　　The quality improvement of zinc alloy die castings is related to many aspects. Through understanding these aspects, we can know the relevant issues of production quality of zinc alloy die castings.

　　The quality of zinc alloy die castings includes three aspects: appearance quality, internal quality, and service quality. Appearance quality includes surface roughness, dimensional tolerances, and quality deviations of die castings, intrinsic quality includes chemical composition, chemical properties, and intrinsic defects of die castings, and usage quality includes wear resistance, corrosion resistance, and weldability of die castings. In the process of die-casting production, strict implementation of equipment maintenance system, correct use of molds, tools, and equipment, etc., ensure production efficiency, establish a reasonable quality management system, clarify the goals of quality management, and also do a good job in technical inspection of raw materials and die-casting parts. The inspection method for die castings includes internal inspection of the parts, that is, cutting open the interior of the die castings to check for defects

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