Electric heating – Metal heating – By arc
Patent
1998-03-27
1999-11-23
Shaw, Clifford C.
Electric heating
Metal heating
By arc
219 75, 21912145, 21912146, B23K 1002
Patent
active
059904461
ABSTRACT:
An improved method of arc welding uses a single power supply connected to opposed welding torches placed on both sides of a workpiece. Each torch is connected to a different polarity lead of the power supply and forms a separate arc with the workpiece. When a current is supplied to the first torch, it is guided from the first electrode, through the first arc, the workpiece, the second arc, and to the electrode of the second torch. This guiding function improves the penetration, concentration, as well as the directional stability of the arc. This permits the effective and efficient welding of relatively thick workpieces using existing equipment at low current levels.
REFERENCES:
patent: 2716691 (1955-08-01), Bowman
patent: 2764668 (1956-09-01), Dumoulin
patent: 3114829 (1963-12-01), Libby
patent: 3248513 (1966-04-01), Sunnen
patent: 3319043 (1967-05-01), Rohrberg
patent: 3437787 (1969-04-01), Chyle
patent: 3475587 (1969-10-01), Budds et al.
patent: 3588660 (1971-06-01), Purkhiser
patent: 4023006 (1977-05-01), West et al.
patent: 4153831 (1979-05-01), Renzulli et al.
patent: 4439662 (1984-03-01), Tateno
patent: 5045667 (1991-09-01), Iceland et al.
patent: 5225654 (1993-07-01), Harwig et al.
patent: 5347098 (1994-09-01), Murakami et al.
patent: 5388753 (1995-02-01), Bjorkman, Jr.
patent: 5599469 (1997-02-01), Yoshino
patent: 5614110 (1997-03-01), Shintani et al.
Craig; The Plasma Arc Process--A Review; Welding Journal; Feb. 1988; 19-25.
Zhang Shaobin
Zhang Yuming
Shaw Clifford C.
University of Kentucky Research Founadtion
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