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Repair plan for wear and tear of plastic mold inserts
Date:2025-12-03 14:11     Source:daokedao     Browse:9

The local wear of plastic mold inserts is 0.05-0.2mm, and traditional maintenance requires a complete replacement, with a cost exceeding 2000 yuan. Daokedao adopts a "local precise melting" scheme, using powder that matches the material of the insert (such as 304 stainless steel powder for S136 insert), with a spot diameter of 0.1mm, only melting the worn area to avoid overall thermal deformation. The thickness error of the cladding layer is ≤ 0.01mm, the surface roughness is Ra0.1 μ m, and the consistency with the original insert size is 99%. The cost of repairing a 20mm embedded part is 200 yuan, which is only 10% of the cost of a new part, and the lifespan reaches 90% of the cost of a new part. After being applied in a certain household appliance injection molding factory, the frequency of replacement of inserts has been reduced from 5 times per month to 1 time, saving an annual cost of 90000 yuan. When the repaired inserts are injected with PP, ABS and other plastics, there are no traces on the surface of the products, and the pass rate has increased to 99.5%. The equipment has built-in insert repair parameter templates, which are easy for beginners to operate.

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