Electric heating – Metal heating – By arc
Patent
1979-11-19
1982-04-20
Albritton, C. L.
Electric heating
Metal heating
By arc
219121LD, B23K 2700
Patent
active
043261183
ABSTRACT:
Laser beam welding apparatus for effecting a weld along a part-circular path, the apparatus is intended for use in welding end flanges to semicylindrical shells to form semi-cylindrical journal bearings, particularly those having a flange at each end. The apparatus includes a laser source (11) and pair of rotatably mounted housings (17) each supporting a laser nozzle (18), one on each side of a center line (32). Either nozzle (18) can be selected for operation by moving a mirror (13) in and out of the laser beam as is necessary when welding a flange at each end of the shell. Workpieces are held in jigs (39) in jig means (38) and are accommodated by moving the housings (17) towards and away from the center line (32). Welds of different radii may be achieved by moving the nozzle (18) radially with respect to the axis of rotation of the housings (17).
REFERENCES:
patent: 3949186 (1976-04-01), Nakayama et al.
patent: 3953706 (1976-04-01), Harris et al.
patent: 4001543 (1977-01-01), Bove et al.
patent: 4073483 (1978-02-01), Smith
patent: 4080525 (1978-03-01), Gobetz
patent: 4088865 (1978-05-01), Peters et al.
patent: 4223202 (1980-09-01), Peters et al.
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