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Strengthening the matching of injection molding machine barrel and screw: a solution to improve plasticization efficiency
Date:2025-11-20 15:34     Source:daokedao     Browse:5

When the clearance between the injection molding machine barrel and screw is too large, the plasticization efficiency decreases and energy consumption increases. Daokedao provides a fusion coating solution for barrel screw matching: the screw edge is fused with WC Co coating (HRC65), and the inner wall of the barrel is fused with wear-resistant alloy (HRC60), with a matching gap controlled at 0.2-0.25mm (new part standard 0.3-0.4mm). By synchronously melting and grinding, the matching accuracy is ensured, the plasticizing efficiency is increased by 15%, and the energy consumption is reduced by 12%. Special fixtures are used to ensure coaxiality for different specifications of parts ranging from 50 to 200mm. After repair, the production efficiency of the injection molding machine is improved by 20%, and the product qualification rate has increased from 95% to 99%. Suitable for the production of large injection molded parts such as car bumpers and home appliance casings.

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