Laser welding apparatus for shipyard panel shops

Details Laser welding apparatus for shipyard panel shops Laser welding apparatus for shipyard panel shops

1978-12-14

1980-09-16

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LS, 219121LU, 219161, B23K 2700

Patent

active

042232015

ABSTRACT:
An automated welding facility for the fabrication of shell sections suitable for ship construction utilizing laser welding is disclosed. The facility includes a panel welding station which includes an optical system for providing radiation for automated two-sided welding of plates to form panels utilizing sequential welding of the top and bottom halves of the plates. The panel welding station is adapted for aligning the plates to form a seam therebetween and for providing tack welds along the length of abutting plates while simultaneously providing position coordinates of the seam to a controller adapted for controlling the positioning of laser welding heads for automating finish welding of the plates to form panels. The panel welding station further includes automated means for marking the panels for positioning stiffeners, webs and/or bulkheads thereon. An embodiment includes a stiffener welding station, located downline the panel welding station, for positioning and aligning stiffeners on the panel utilizing the markings made at the panel welding station and for simultaneous two-sided fillet welding of the stiffeners to the panels utilizing laser radiation, and means for moving the panels between stations. A further embodiment includes an automated web/bulkhead laser welding station for welding webs and/or bulkheads to the stiffeners and panel to form shell sections suitable for ship construction.

REFERENCES:
patent: 2638524 (1953-05-01), Meyer
patent: 2737565 (1956-03-01), Meyer
patent: 2781441 (1957-02-01), Ballentine, Jr. et al.
patent: 3779444 (1973-12-01), Kensrue
patent: 3855445 (1974-12-01), Jungle
patent: 4056705 (1977-11-01), Linam et al.

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