Method and apparatus for generating an ultra low current plasma

Details Method and apparatus for generating an ultra low current plasma Method and apparatus for generating an ultra low current plasma

1987-09-11

1989-07-25

Paschall, M. H.

Electric heating

Metal heating

By arc

219137R, 21912155, 21912152, 21912151, 219 75, B23K 906

Patent

active

048516368

ABSTRACT:
A method and apparatus for generating a plasma arc used in arc welding, arc transformation hardening, minute working, etc. A plasma gas used for generating a plasma arc includes xenon. A tungsten electrode having a diameter of 0.5 millimeters or less is used. Thus, an extremely low plasma arc current of 0.1 amperes or less can be produced in a stabilized manner.

REFERENCES:
patent: 3809850 (1974-05-01), Saenger, Jr.
patent: 4118618 (1978-10-01), Gauthier et al.
patent: 4245768 (1981-01-01), Sater
patent: 4282418 (1981-08-01), Wuestner

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