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Most of the injection molding processing abrasive machining product defects

by:CSSSLD     2021-01-23
Why do plastic moulds specimen?

most injection abrasive machining a product defect is in abrasive caused by melting and injection molding processing, but sometimes also related to the design scheme is not scientific, the influence factors include: into the mouth of the type, abrasive mode, some parts and specifications, the design scheme of the cold/hot runner system and the structure of the goods itself, etc. Therefore, in order to lead to commodity defect for stamping die, people must be made in the case, the grinding tool to carry out the analysis. The specimen in plastic injection mold parts processing results, the operators must generally details to carry out evaluation of grinding tool, in order to carry out the changes in the whole process of ascension without the cost and time. Most of the situation, in order to fill in the stamping die is insufficient, operators will meet in don't know under the condition of the wrong setting, due to the need to manufacture the qualified products category, the parameters of the basic parameters as soon as possible after error, will cause the quality of the final goods far too out of the permissible deviation category of plastic moulds specimen purpose is to find the main parameters of processing technology and stamping die, and not just try to get a good product, it is very important. Even the raw materials, equipment configuration or elements such as natural environment changed, still can ensure smooth and continuous mass production of the natural environment.




why plastic products processing also has the condition of deformation
in order to ensure that all the normal plastic products processing operation staff must master in this whole process from which the reason of abnormal appearance design, can the good from the production and processing when abnormal appearance design. Below, the net make you analyze the production and processing of deformation under: 1, production and processing, rubber and plastic products in the whole process, overflow into the grinding tool clamping surface gap between coexist on the plastic parts of the material. Plastic parts surface a kind of strip marks, is by the number of shares in injection or extrusion flow separation in the desert with a funnel, wear-resistant material on the page without welding, each other can not dissolves into an organic whole, lead to welding marks, endangering the shapes of plastic parts quality and physical properties. 2, the production processing for wear resistant materials in the abrasive die not moderate liquidity, plastic table and cause rings, spiral or cloud wave type of bumpy faults. Its surface has a clearance gap and thus cause the damage. 3, because long-term or continuous release less than plastic in-situ stress caused by the physical properties of the plastic outside or inside crack condition called in-situ stress cracks; Because it is in a special temperature under the special time of efficacy and stable load suddenly split after a full condition called in-situ stress cracks; Some thermosetting plastic period pieces too much exposure to high temperature cracks and crack is called split welding stress. Plastic products processing grinding tool into the gate area method, the structure of the molding cycle time contain abrasive predictive analysis, processing, or try to advance a relative improvement measures. Plastic products processing shall determine whether metal insert must be heated and dried mania is solved. Purpose depends on the reliability of product quality and forming.
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