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Daokedao Laser Cladding Remanufacturing Excavator Cutting Teeth
Date:2025-10-23 15:46     Source:daokedao     Browse:16

The cutting teeth of the tunneling machine are subjected to high stress impact and abrasive wear during the rock breaking process, resulting in extremely rapid failure. Daokedao laser cladding technology is used to fuse high hardness and high toughness alloy systems on the cutting tooth head and working surface: a composite coating with a WC content of 60% is used on the tooth tip, with a hardness of HRC65-68; The tooth body is made of nickel based alloy with better toughness and a hardness of HRC55-58. By designing gradient materials, the cutting teeth have excellent impact resistance and wear resistance. Underground industrial tests have shown that the lifespan of remanufactured cutting teeth can reach 120% -150% of new products, while the cost is only 40% of new products. The tooth breakage rate has been reduced from 15% to below 5%, significantly reducing the tool consumption cost of tunnel construction.

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