Rotary arc-welding method

Details Rotary arc-welding method Rotary arc-welding method

1981-12-02

1983-12-06

Reynolds, B. A.

Electric heating

Metal heating

By arc

21912512, B23K 928

Patent

active

044195630

ABSTRACT:
In a rotary arc-welding method which comprises: directing a nozzle substantially vertically toward a weld zone of objects of welding; feeding a consumable welding electrode through said nozzle eccentrically from the center axis of said nozzle toward said weld zone; feeding welding current to said consumable welding electrode to produce an arc between the tip of said consumable welding electrode and said weld zone to weld said objects of welding with each other by means of the arc heat; rotating said nozzle to cause a circular movement of said arc from the tip of said consumable welding electrode corresponding to the eccentricity thereof; and, feeding a shielding gas toward said weld zone to shield said arc and said weld zone from the open air; the improvement characterized in that: the diameter of said consumable welding electrode is limited within the range of from 0.8 to 1.2 mm; said welding current is limited within the range of from 400 to 800 amperes; and, the number of rotation of said nozzle is limited within the range of from 3,000 to 6,000 r.p.m.

REFERENCES:
patent: 4047656 (1977-09-01), McCombs
patent: 4175227 (1979-11-01), Kasper

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