Laser-beam operated machining apparatus

Details Laser-beam operated machining apparatus Laser-beam operated machining apparatus

1985-04-10

1987-08-25

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LA, 219121LQ, 219121FS, B23K 2600

Patent

active

046894667

ABSTRACT:
A laser-beam operated machining apparatus capable of performing machining operations on a high-reflectivity material such as aluminum or copper. A nozzle is provided for applying a focused laser beam together with an assist gas to a surface of a workpiece to be machined. An annular electrode is provided on the end of the nozzle confronting the workpiece with the electrode being coaxial with the laser beam. An arc discharge is created between the annular electrode and the workpiece by applying a voltage between the annular electrode and the workpiece so as to cause an arc discharge therebetween.

REFERENCES:
patent: 3597578 (1971-08-01), Sullivan
patent: 3809850 (1974-05-01), Saenger, Jr.
patent: 3906289 (1975-09-01), Lepp et al.
patent: 3997756 (1976-12-01), Bykhovsky et al.
patent: 4010345 (1977-03-01), Banas et al.
patent: 4142089 (1979-02-01), Lau et al.
patent: 4167662 (1979-09-01), Steen
patent: 4224499 (1980-09-01), Jones
Tooling and Production, "Inside the Laser Tool", vol. 44, Mar. 79, No. 12, pp. 84,85 (Copy in 219/121 FS).
Processings of International Conference on Welding Research in the 1980's-International Conference Committee, Sep., 1980.

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