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Repair of stretch film mold for packaging machine: Daokedao laser cladding solves the problem of traditional quenching sticking knife
Date:2025-11-06 14:08     Source:daokedao     Browse:4

The stretching film mold of the packaging machine is prone to adhere to molten plastic, and the surface friction coefficient of the traditional quenching treatment cavity is high, resulting in film stretching fracture and surface adhesion. The mold has a service life of only 10000-20000 molds and needs to be cleaned frequently.

The Daokedao laser cladding equipment melts anti adhesive and wear-resistant coatings on the surface of the mold cavity, with a friction coefficient as low as 0.09, reducing plastic adhesion by 80% and eliminating the need for frequent cleaning. The coating hardness reaches HRC62-65, the wear resistance is four times that of traditional quenching, and the pass rate of film stretching is increased by 12%.

The service life of the repaired mold has been extended to 40000 to 50000 mold cycles, and the downtime and cleaning time of the packaging machine have been reduced by 70%. After adopting this technology, a packaging enterprise has saved more than 250000 yuan in annual production losses and significantly improved production efficiency.


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