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Medical device injector mold repair: Biocompatibility upgrade of Daokedao laser cladding
Date:2025-11-05 15:42     Source:daokedao     Browse:3

Medical device injector molds need to avoid the precipitation of metal ions. Traditional chrome plated molds are prone to the precipitation of chromium ions, which does not meet medical standards, and the chrome plating layer is prone to wear, resulting in scratches on the surface of the injector, with a service life of only 30000 to 40000 molds.

The Daokedao laser cladding equipment uses medical grade titanium alloy powder, and the cladding layer has no metal ion precipitation, which meets the ISO 10993 biocompatibility standard. The coating hardness reaches HRC58-61, the wear resistance is three times that of chrome plating, and the scratch free rate on the surface of the syringe is 100%.

The service life of the repaired mold has been extended to 80000 to 100000 mold cycles, the qualification rate of injectors has increased by 15%, and the repair cost is only 1/4 of the new mold. After adopting this technology, a certain medical enterprise reduced the waste rate of syringes by 90%, fully meeting medical safety requirements.


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