Gas metal arc welding process

Details Gas metal arc welding process Gas metal arc welding process

1984-07-05

1987-02-24

Broome, Harold

Electric heating

Metal heating

By arc

219 74, B23K 916, B23K 3538

Patent

active

046459030

ABSTRACT:
The gas metal arc welding process of the present invention extends the axial spray metal transfer range with a non rotating arc from 10 to 25 lbs/hr using an electrode wire diameter between 0.035 to 0.052 inches. The process is carried out by maintaining an electrode extension of between 3/4 to 11/4 inches with a three component shielding gas mixture consisting essentially of argon and oxygen in combination with carbon dioxide or carbon monoxide in a volume proportion of oxygen 1-2% carbon dioxide 8-15%, balance argon. The arc voltage is maintained in a range of between 29 and 40 volts.

REFERENCES:
patent: 3035154 (1962-05-01), Wolff et al.
patent: 3526740 (1970-09-01), Brinkmann et al.
patent: 3527916 (1970-09-01), Ebert et al.
patent: 4403136 (1983-09-01), Colman
patent: 4463243 (1984-07-01), Church
patent: 4529863 (1985-07-01), Lebel
Cary, Howard B., Modern Welding Technology, 1979, p. 174.
K. A. Lyttle, GMAW--A Versatile Process on the Move Paper presented to the AWS Annual Meeting, Apr. 5-10, 1981, published in Welding Journal, Mar. 1983, issue vol. 62.

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