The screw and barrel of the injection molding machine works for a long time under high temperature, high pressure, high mechanical torque and high friction environment. The first few factors are required by the process conditions, while the loss caused by friction is inevitable. Generally, the screw and barrel is subjected to surface nitriding treatment […]
The plastic skin formed on the mold wall reduces the cross-sectional area of the plastic flow, resulting in a pressure drop. There is a maximum limit to the pressure that can be obtained on the injection molding machine to push the screw at the set injection speed. The pressure required to push the screw forward
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Do you know the 10 factors that affect the quality of injection molds? Mold manufacturing is a complex process, from design, processing, assembly, debugging and other steps to the final actual use. In the entire life cycle, the factors that affect the quality of the mold are mainly the following 10 aspects. Steel is the
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Injection molding machine production is generally 24 hours a day. For machines that are in working condition for a long time, we must do a good job of maintenance and try to find and solve problems before the machine fails. Otherwise, once the machine fails, it must be stopped and repaired, affecting production. Therefore, it
Injection molding machine Injection molding machine is also known as injection molding machine or injection machine. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. It is divided into vertical, horizontal, and all-electric types. The injection molding machine can heat the
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Why do plastic products crack? Do you know the reason? There are mainly the following reasons: Processing Excessive processing pressure, too fast speed, more filling, injection, and long holding time will cause excessive internal stress and cracking.Adjust the mold opening speed and pressure to prevent demolding cracking caused by rapid strong drawing of the parts.Appropriately
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Color difference is a common defect in injection molding. There are many factors affecting color difference, including raw material resin, masterbatch, mixing of masterbatch with raw material, injection molding process, injection molding machine, etc. In the actual production process, we generally control color difference from the following five aspects. Choose an injection molding machine with
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As the plastic flows through the injection molding machine and different parts of the mold, there is a loss of pressure on the plastic flow front due to drag and friction. In addition, as the plastic contacts the mold wall, it begins to cool, increasing the viscosity of the plastic and requiring additional pressure to
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Analysis and solutions to warping deformation of plastic products Warpage refers to the deviation of the shape of the injection molded product from the shape of the mold cavity. It is one of the common defects of plastic products. There are many reasons for warpage, and it is often difficult to solve it by relying
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The reasons for the high temperature of the injection molding machine Injection molding machine cooling method Contact Person: Alex ChuWhatsApp/ WeChat: 0086 18968677763Email: sc10@solidcomould.comWebsite: www.solidcomould.com
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