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- Small Plastic and Metal Prototype Parts
Technical Difficulties of Two-color Mold Injection Molding for Electric Toothbrush
1. Shrinkage rate: Two-color molds need to combine two different raw materials, so it is necessary to consider the shrinkage rate, especially the shrinkage rate during one injection molding, resulting in a size gap;
2. Exhaust, during the injection molding process, it is inevitable that gas will be generated. If these gases cannot be effectively discharged, burrs and other defects may occur;
3. Filling. Compared with other injection molding, the secondary injection molding of the two-color mold may cause the plastic insert to bend, so it is necessary to balance the injection and position of the plastic insert, so the installation and adjustment of the two-color mold are particularly important.
The above is the detailed introduction of 'Technical Difficulties in Injection Molding of Electric Toothbrush Two-color Mold' by Shanghai Mulan Two-color Mold Factory. Shanghai Mulan Injection Mold Factory has served Japanese brands for 10 years. It has accumulated experience in product research and development, two-color mold manufacturing, two-color injection molding, mass production management, and quality management. It can provide customized one-stop manufacturing solutions for electric toothbrush products. You are welcome to consult online, or log in to the official website for more technical information.
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