Electric heating – Metal heating – By arc
Patent
1981-04-06
1985-07-30
Shaw, C. C.
Electric heating
Metal heating
By arc
21912512, 219137PS, B23K 900
Patent
active
045324093
ABSTRACT:
A gas shielded arc welding method in which a non-consumable electrode and a filler wire are respectively connected to independent DC power sources and the non-consumable electrode is located in a preceding position, feeding the filler wire from behind the electrode. The non-consumable electrode is held in a forwardly tilted position to form an angle smaller than 85.degree. with a workpiece, and the non-consumable electrode and filler wire are applied with inverse electric currents to thereby control the arc direction for formation of sound joints. A welding apparatus is also disclosed which is capable of effecting arc extension control and oscillation simultaneously.
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"R&D" Kobe Steel Engineering Reports, vol. 30, No. 2, Apr. 1980.
International Conference of the Welding Institute, materials, May 1979.
Aida Isao
Murayama Hirokazu
Ogata Yohji
Shibuya Kenjiro
Kabushiki Kaisha Kobe Seiko Sho
Shaw C. C.
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