Apparatus for laser welding pipes and the like

Details Apparatus for laser welding pipes and the like Apparatus for laser welding pipes and the like

1984-06-29

1986-03-18

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LQ, B23K 2600

Patent

active

045770875

ABSTRACT:
Laser welding apparatus includes a first mirror whose angle may be adjusted but which is fixed in position and on which a laser beam is incident. The first mirror reflects the laser beam onto a second mirror which may be rotated through at least 180.degree. about the axis of the articles to be welded and which reflects the laser beam onto a third mirror whose angle may be adjusted and which may be rotated through at least 360.degree. about the axis of the articles to be welded. The laser beam then passes to a focussing mirror which focusses the beam through a welding nozzle onto the surfaces to be welded. In use, the third mirror is continuously rotated about the entire periphery of the articles to be welded and the positions and/or angles of all the mirrors are adjusted to ensure that the laser beam is transmitted along the desired pathway.

REFERENCES:
patent: 4048464 (1977-09-01), Gale et al.
patent: 4080525 (1978-03-01), Gobetz
patent: 4088865 (1978-05-01), Peters et al.
patent: 4367017 (1983-01-01), Jimbou et al.
patent: 4429211 (1984-01-01), Carstens et al.

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