Method and apparatus for high speed laser cutting

Details Method and apparatus for high speed laser cutting Method and apparatus for high speed laser cutting

1990-11-26

1992-06-09

Albritton, C. L.

Electric heating

Metal heating

By arc

21912172, 21912175, 21912184, B23K 2614, B23K 2616

Patent

active

051209268

ABSTRACT:
A laser cutting device has a slot-like nozzle opening and an elongated laser beam pattern projecting through the nozzle opening along with a stream of gas to interact with a workpiece for rapid melting and material removal from the cut. By elongating the beam pattern in the cutting direction and maintaining the same energy density, the cutting speed can be increased without diminishing the interaction time with each point of the cut path. The nozzle is rotatable to align the nozzle opening with the cutting path.

REFERENCES:
patent: 3604890 (1971-09-01), Mullaney et al.
patent: 4273398 (1981-06-01), Summers et al.
patent: 4461947 (1984-07-01), Ward
patent: 4692583 (1987-09-01), Kimmura et al.
patent: 4871897 (1989-10-01), Nielsen
patent: 4885448 (1989-12-01), Kasner et al.

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