Energy compensation constant power density laser oblique impact method
An energy compensation and equal power technology, applied in laser welding equipment, manufacturing tools, welding equipment, etc., can solve problems such as uneven laser shock strengthening effects, avoid uneven strengthening effects, improve distribution uniformity, and reduce roughness Effect
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[0035] Such as Figure 1 to Figure 4 Shown is the first embodiment of the energy compensation equal power density laser oblique impact method of the present invention, including the following steps:
[0036] S1. Obtain the radius of curvature R of the arc strengthening area of the part to be processed and the shape characteristics of the part to be processed, judge the range of laser incident angle α, and obtain the minimum incident angle α min ; In this embodiment, the laser incident angle α range is α min ≤α<90°; the part to be processed in this embodiment is an impeller including blisks and blades, and the arc area is set at the connection between the blisks and the impeller.
[0037] S2. Determine the laser parameters according to the mechanical properties of the parts to be processed and the processing strength requirements of the parts to be processed. The laser parameters include laser pulse intensity, spot diameter D and laser energy E required under normal incidenc...
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