Laser cutting nozzle

Details Laser cutting nozzle Laser cutting nozzle

1982-09-30

1984-08-21

Albritton, C. L.

Electric heating

Metal heating

By arc

219121FS, B23K 2700

Patent

active

044671717

ABSTRACT:
A laser cutting nozzle for use with a laser cutting apparatus directing a focused beam to a spot on a work piece. The nozzle has a cylindrical body with a conical tip which together have a conically shaped hollow interior with the apex at a small aperture through the tip. The conical hollow interior is shaped to match the profile of the laser beam, at full beamwidth, which passes through the nozzle to the work piece. A plurality of gas inlet holes extend through the body to the hollow interior and are oriented to produce a swirling flow of gas coaxially through the nozzle and out the aperture, aligned with the laser beam, to the work piece.

REFERENCES:
patent: 3107266 (1963-10-01), Hine
patent: 3524046 (1970-08-01), Brouwer
patent: 3569660 (1971-03-01), Houldcroft
patent: 3594261 (1971-07-01), Broerman
patent: 3685882 (1972-08-01), van der Jagt
patent: 4127761 (1978-11-01), Pauley et al.
patent: 4201905 (1980-05-01), Clark et al.
Raytheon Products Brochure SS-500 Series.

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