FIELD: process engineering.
SUBSTANCE: invention relates to laser welding and may be used in various branches of machine building. Two laser beams are directed to the surface of article to be welded at an angle to each other, to the butt of said article so that one melt molten pool is created. One, the main, laser beam is sent at right angle to article surface to form liquid molten pool, Steam-to-gas channel is formed in said pool. Second beam is sent at angle to said main beam onto preset section of the formed steam-to-gas channel surface.
EFFECT: preset characteristics of weld, higher reliability.
2 cl, 3 dwg, 1 ex
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