Shielded arc welding using auxiliary voltage

Details Shielded arc welding using auxiliary voltage Shielded arc welding using auxiliary voltage

1985-01-08

1986-10-21

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219137PS, B23K 906

Patent

active

046187600

ABSTRACT:
Shielded arc welding apparatus advances a consumable electrode towards a workpiece; applies a welding voltage between the electrode and the workpiece; and applies an auxiliary voltage between the electrode and the workpiece, whereby the auxiliary voltage initiates an arc between the electrode and the workpiece before the electrode engages the workpiece.

REFERENCES:
patent: 3260890 (1966-07-01), Normando et al.
patent: 3538376 (1970-11-01), Parker
patent: 3571558 (1971-03-01), Hogan, Jr.
patent: 4046987 (1977-09-01), Hashimoto
patent: 4061899 (1977-12-01), Gillitzer
patent: 4301355 (1981-11-01), Kimbrough
patent: 4338512 (1983-06-01), Salzer
patent: 4418265 (1983-11-01), Tabata et al.

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