Laser cladding repair process of thin-walled sleeve favorable for reducing build-up welding stress and deformation
A laser repair and laser cladding technology, which is applied in laser welding equipment, metal material coating technology, manufacturing tools, etc., can solve the problems of large heat-affected zone, difficult to meet the repair accuracy requirements, and high dilution rate of arc surfacing welding. Reduce surfacing stress, reduce deformation and increase hardness
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[0021] The specific steps of the laser repair process of the thin-walled sleeve of the present embodiment are as follows:
[0022] A. Treat the surface of the thin-walled sleeve to be repaired, and perform failure analysis on the thin-walled sleeve.
[0023] Remove dust, oil, rust, etc. on the thin-walled sleeve; detect the size of each part of the thin-walled sleeve, determine the failure part and its wear amount, and check whether the thin-walled sleeve is deformed; remove the fatigue of the failed part of the thin-walled sleeve by grinding Layer 0.5mm, and clean.
[0024] B. Use tooling to fix the inner hole of the thin-walled sleeve, and adjust the circumference of the thin-walled sleeve through the tooling to keep the force on the circumference even.
[0025] C. According to the failure analysis results of the thin-walled sleeve, optimize the process parameters and perform laser cladding. During laser cladding, the parts other than the parts to be repaired are cooled wi...
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