Rotating laser beam with coincident gas jet

Details Rotating laser beam with coincident gas jet Rotating laser beam with coincident gas jet

1982-08-24

1984-07-24

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LC, 219121LG, 219121LU, B23K 2700

Patent

active

044619472

ABSTRACT:
An apparatus provides to a surface a laser beam and gas stream that impinge and rotate in coincidence. The apparatus comprises an optical system (11) to direct the laser beam to a spot in a plane and a stationary gas plenum (16) through which gas passes en route to an outlet nozzle (18) that directs the gas stream to the same spot. The optical system and nozzle rotate in synchronism to cause the spot to trace a circle. The apparatus finds application in materials processing, such as welding and cutting (trepanning).

REFERENCES:
patent: 3597578 (1971-08-01), Sullivan et al.
patent: 3619550 (1971-11-01), Matthews
patent: 3685882 (1972-08-01), Van Der Jagt
patent: 4031351 (1977-06-01), Martin
patent: 4367017 (1983-01-01), Jimbou et al.

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