Laser beam welding apparatus

Details Laser beam welding apparatus Laser beam welding apparatus

1998-02-05

2000-06-06

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

21912174, 21912177, 2191218, 21912183, B23K 2620, B23K 2622, B23K 2624

Patent

active

060721499

ABSTRACT:
After a workpiece introduced into a welding station by a feed mechanism is positioned and fixed in the welding station, the workpiece is welded by laser beams guided by scan heads. Each laser beam is applied from one of the scan heads to a location on the workpiece through a beam path switching mirror of a beam path switcher to weld the location on the workpiece. Thereafter, the beam path switching mirror is retracted to guide the laser beam from another one of the scan heads to another location on the workpiece to weld the other location on the workpiece.

REFERENCES:
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patent: 4728773 (1988-03-01), Roberts et al.
patent: 4812613 (1989-03-01), Gorisch
patent: 4972062 (1990-11-01), Aharon
patent: 4973817 (1990-11-01), Kanno et al.
patent: 5115115 (1992-05-01), Alborante
patent: 5237151 (1993-08-01), Maruyama
patent: 5380978 (1995-01-01), Pryor
patent: 5399835 (1995-03-01), Nakata
patent: 5406048 (1995-04-01), Yamazaki et al.
patent: 5616261 (1997-04-01), Forrest

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