Method for preparing wear-resistant coating on surface of driving sheave race of elevator by laser cladding
A technology of wear-resistant coating and elevator traction, which is applied in laser welding equipment, coating, metal material coating technology, etc., can solve the problems that the process parameters cannot be adapted or not seen, and achieve the improvement of wear resistance and corrosion resistance and service life, good bonding performance, uniform effect of alloy coating
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Embodiment 1
[0051] The process of preparing a wear-resistant composite coating by laser rapid cladding on the surface of the traction wheel groove of the present invention includes the following process:
[0052] 1. Surface pretreatment
[0053] Use an angle grinder at room temperature to degrease and derust the processed parts. Use the coloring flaw detection method to inspect the upper and lower processing parts of the wheel groove, and it is required that the processing parts have no cracks, pores, inclusions and other defects;
[0054] 2. Selection of alloy powder and adjustment of automatic powder feeding device
[0055] The nickel-based alloy powder with good toughness, high strength and good compatibility with the matrix metallurgy is selected as the base layer, and the cobalt-based alloy powder with high wear resistance and matching with the friction performance of the steel wire rope is selected as the working layer, and the automatic powder feeding device is adjusted so that th...
Embodiment 2
[0079] The process of preparing a wear-resistant composite coating by laser rapid cladding on the surface of the traction wheel groove provided by the present invention includes the following process:
[0080] 1. Surface pretreatment
[0081] At room temperature, use an angle grinder to degrease and derust the processing parts, and use the coloring flaw detection method to inspect the processing parts above and below the wheel groove. It is required that the processing parts have no defects such as cracks, pores, inclusions, etc.;
[0082] 2. Selection of alloy powder and adjustment of automatic powder feeding device
[0083] The nickel-based alloy powder with good toughness, high strength and good compatibility with the matrix metallurgy is selected as the base layer, and the cobalt-based alloy powder with high wear resistance and matching with the friction performance of the steel wire rope is selected as the working layer, and the automatic powder feeding device is adjusted...
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