Electric heating – Metal heating – By arc
Patent
1973-07-16
1976-05-11
Truhe, J. V.
Electric heating
Metal heating
By arc
219131F, B23K 912
Patent
active
039566102
ABSTRACT:
In welding iron, steel, and nonferrous alloys, the wire feed is changed periodically and in synchronism with periodic changes of the electric welding current to establish a previously defined relation between the welding current value and the arc length. The welding current is varied between one producing a spray transfer arc and a current just maintaining the arc.
REFERENCES:
patent: 3531619 (1970-09-01), Broodman
patent: 3584185 (1971-06-01), Mann et al.
patent: 3617690 (1971-11-01), Terai et al.
patent: 3646311 (1972-02-01), Cameron et al.
patent: 3679866 (1972-07-01), Arikawa et al.
patent: 3737614 (1973-06-01), Paulange
patent: 3742184 (1973-06-01), Arikawa et al.
vagner et al., "Vertical Pulsating-Arc Welding With Powder-Filled Wire", Svar. Proiz., pp. 18-19, Vol. 17, 1970.
Fujiyama Hirohisa
Ishii Takao
Kanbe Yoshio
Nagatomo Kazuo
Takino Tsuyoshi
Nippon Steel Corporation
Shaw Clifford C.
Truhe J. V.
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