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28
2023
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03
Two-Color Light Guide Strip Mold manufacturers take you to understand the production process characteristics of injection molding two-color products
The Two-Color Light Guide Strip Mold manufacturer tells you that the two-color injection molding machine is equipped with two barrels. The mold is single-cavity, with a common cavity required for both the first plastic ("hard") and the second plastic ("soft"). The following will take you to understand the production process characteristics of injection molding two-color products.
Production process characteristics of injection molding two-color products:
1. The two-color injection molding machine consists of two sets of plasticizing injection devices with identical structures and specifications. The Two-Color Light Guide Strip Mold manufacturer tells you that the nozzle should have a special structure according to the production method, or be equipped with two sets of molding molds with the same structure that can be rotated and transposed. During plasticizing injection, it is required that the process parameters such as melt temperature, injection pressure, and injected melt volume in the two sets of plasticizing injection devices are the same, and the fluctuation difference of process parameters in the two sets of devices should be minimized.
2. Compared with ordinary injection molded plastic products, two-color injection molded plastic products have higher parameter values for the melt temperature and injection pressure during injection. The manufacturer of Two-Color Light Guide Strip Mold tells you that the main reason is that the mold runner in two-color injection molding is relatively long, the structure is relatively complicated, and the flow resistance of the injected molten material is relatively large.
3. Two-color injection molding plastic products should use raw materials with good thermal stability and low melt viscosity to avoid decomposition due to high temperature of the melt and long residence time in the flow channel. The most widely used plastics are polyolefin resins, polystyrene and ABS materials.
4. During the injection molding of two-color plastic products, in order to make the melting materials of two different colors weld well in the mold during molding and ensure the molding quality of injection molded products, the manufacturer of Two-Color Light Guide Strip Mold tells you that you should use a higher Higher melt temperature, higher mold temperature, higher injection pressure and injection rate.
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MAKON INNOVATION INC
Address: No. 15 Sansheng East Road, Qiaotouhu Sub-district, Ninghai County, Zhejiang Province
Tel：+86-574-65530676
Whatsapp：+8613586757597
E-mail：mar@makonmade.com