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Repair of S-pipe of concrete pump truck: Wear resistance upgrade of Daokedao laser cladding vs traditional surfacing
Date:2025-11-05 15:31     Source:daokedao     Browse:44

The S-pipe of the concrete pump truck is subjected to high-pressure erosion and wear from concrete. The surface hardness of the S-pipe repaired by traditional welding is low (HRC50-55), and it wears out quickly, with a service life of only 1-2 months. Frequent replacement leads to project shutdown.

The Daokedao laser cladding equipment uses tungsten carbide nickel based superhard composite powder, with a cladding layer hardness of HRC70-72 and wear resistance six times that of traditional welding. The equipment adopts multi pass overlap fusion technology, with uniform coating thickness and a 30% increase in impact resistance, avoiding coating peeling caused by concrete impact.

The service life of the repaired S pipe has been extended to 6-8 months, and the downtime of the concrete pump truck has been reduced by 80%. The annual cost savings of replacing a single equipment exceed 500000 yuan. This technology has been widely applied in the field of construction engineering, helping to improve construction efficiency.


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