Method of feeding electrode wire and apparatus for performing sa

Details Method of feeding electrode wire and apparatus for performing sa Method of feeding electrode wire and apparatus for performing sa

1977-11-09

1979-08-28

Schacher, Richard A.

Advancing material of indeterminate length

Processes

Involving plural feeding means

226 8, 226113, 226115, 226151, 226164, 226166, 226167, B65H 1736

Patent

active

041658299

ABSTRACT:
The disclosed method consists in that the electrode wire has the portion thereof intermediate the supply coil and the welding arc alternatingly retained at one of two points, with an effort applied to the wire in the respective retaining point, causing transverse oscillation of the wire. The effort is applied at an angle substantially short of 90.degree. relative to the direction of feeding the wire toward the welding zone. The apparatus of performing the disclosed method comprises a plurality of gripping means for retaining the wire, each including a plate apertured for passage of the wire and a spring accommodated between a housing and the plate, the plate of one of the gripping means being mounted for reciprocation in the direction of feeding the wire toward the welding zone and having its side surface adapted to cooperate with an actuator mounted on the output shaft of the drive effecting the feed and transverse oscillations of the wire advanced toward the welding zone.
The invention enables to eliminate the loss of longitudinal stability by thin wire stock, and to increase the efficiency of feeding thick wire stock toward the welding zone.

REFERENCES:
patent: 2604064 (1952-07-01), Sefton
patent: 3101689 (1963-08-01), Hammond
patent: 3912147 (1975-10-01), Dube

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