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Repair plan for wear of anti reverse ring of injection molding machine screw
Date:2025-11-28 14:41     Source:daokedao     Browse:5

After the wear of the anti reverse ring of the injection molding machine screw, the reflux of molten material leads to a decrease in plasticization efficiency, and the weight fluctuation of the product exceeds 5%. Daokedao adopts mirror melting technology to melt Cr Mo alloy coating on the sealing surface of the anti reverse ring, with a surface roughness of Ra0.05 μ m and a sealing performance of zero leakage standard. The coating hardness is HRC60-63, the wear resistance is increased by 3 times, and the response speed of the anti reverse ring opening is increased by 20%. After repair, the weight fluctuation of the product was reduced to ± 1%, the plasticizing efficiency was improved by 15%, and the injection molding cycle was shortened by 10%. The repair of the 50mm anti reverse ring only takes 2 hours, with a repair cost of 300 yuan, saving 1200 yuan compared to new parts. After being applied in a certain household appliance injection molding factory, the product qualification rate increased from 95% to 99.5%, and a single injection molding machine increased production by 200 pieces per day, suitable for various injection molding materials such as PP, ABS, PC, etc.

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