Thursday, May 30, 2024

 The injection molding process is a complex process involving mold design, mold manufacturing, raw material characteristics and raw material pretreatment methods, molding process, injection molding machine operation and other factors, and is closely related to processing environment conditions, product cooling time, and post-processing process. Therefore, the quality of the product is not only determined by the injection molding accuracy and metering accuracy of the injection molding machine, or simply by the quality of the mold design and the precision level of mold processing. Usually, it is also affected and restricted by the other factors mentioned above.


Under the constraints of so many complex factors, the appearance of defects in injection molded products is inevitable. Therefore, it is particularly important to seek the internal mechanism of defect generation and predict the location and type of defects that may occur in the product, and use it to guide mold design and improvement, summarize the laws of defect generation, and formulate more reasonable process operation conditions. We will explain the mechanism and solution of injection molding defects from the three main factors that affect the injection molding process: plastic material characteristics, mold structure, injection molding process and injection molding equipment.

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