FIELD: physics.
SUBSTANCE: proposed method comprises continuous action of laser light spot on part surface. Parallel overlapped hardening paths are applied on vertical or inclined surfaces. Hardening paths are applied by beam directed at processed surface at angle and, at increased flow rate of process gas, said beam passed through nozzle. Laser beam is turned from perpendicular upward to surface in part processing plane through angle equal to 0.5-5°. Laser unit incorporates 5-coordinate laser head. Said paths are applied in different hardening spaced apart bands.
EFFECT: higher wear resistance and processing efficiency.
3 cl, 4 dwg, 1 ex
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