Laser guided discharge machining apparatus

Details Laser guided discharge machining apparatus Laser guided discharge machining apparatus

1996-10-02

1997-10-14

Evans, Geofrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 6917, B23H 102

Patent

active

056768613

ABSTRACT:
A laser guided discharge machining apparatus includes a vacuum chamber able to accommodate a workpiece and in which it is possible to create a reduced pressure condition of 3000 Pa or below, a discharge electrode accommodated in the vacuum chamber able to discharge charged particles, a laser that emits a laser beam toward the vacuum chamber, a laser guidance apparatus for guiding the laser beam to irradiate a part of the workpiece in the vacuum chamber, and a discharge delay measurement apparatus for detecting a time delay between a time at which laser irradiation is triggered and a time at which discharge takes place from the discharge electrode.

REFERENCES:
patent: 4728764 (1988-03-01), Matsumoto et al.
patent: 4829153 (1989-05-01), Correy
patent: 4847463 (1989-07-01), Levy et al.
patent: 4892989 (1990-01-01), Itoh
patent: 5496983 (1996-03-01), Hoshi

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