High efficiency, variable position plasma welding process

Details High efficiency, variable position plasma welding process High efficiency, variable position plasma welding process

1996-10-25

1998-05-12

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912159, 219137R, 21912511, 219 60A, B23K 1000

Patent

active

057509557

ABSTRACT:
In a plasma welding process, a voltage is applied between an electrode and an object for welding with injecting a plasma gas to generate a plasma, and welding is performed with taking the plasma as a heat source. The process cyclically varies energy contained in a plasma arc by cyclically varying a plasma gas flow rate.

REFERENCES:
patent: 4051342 (1977-09-01), Stubbings
patent: 4285460 (1981-08-01), Clavin
patent: 4373125 (1983-02-01), Kazlauskas
patent: 4918283 (1990-04-01), Yamade et al.
patent: 5304776 (1994-04-01), Buerkel et al.

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