Method of laser-welding metal sheets having different thicknesse

Details Method of laser-welding metal sheets having different thicknesse Method of laser-welding metal sheets having different thicknesse

1992-08-17

1993-09-14

Albritton, C. L.

Electric heating

Metal heating

By arc

2191218, B23K 2600

Patent

active

052451569

ABSTRACT:
Metal sheets having different thicknesses are abutted and laser-welded. During laser welding, the laser beam weaves from side to side with respect to a weld line. As a result, the width of the weld bead is increased and the gradient of the weld bead surface is decreased whereby no sharp edge remains at the weld line. The resulting one-piece sheet can be used as a press material without any pre-pressing processing, such as grinding.

REFERENCES:
patent: 4319122 (1982-03-01), Pope et al.
patent: 4650954 (1987-03-01), Frings et al.
patent: 4854905 (1989-08-01), Shibuya et al.
patent: 4902872 (1990-02-01), Frings et al.
Patent Abstract of Japan, vol. 12, No. 269, 27 Jul. 1988.

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