Advancing material of indeterminate length – By orbitally traveling material-engaging surface – With control or adjustment means
Patent
1977-11-25
1979-12-11
Schacher, Richard A.
Advancing material of indeterminate length
By orbitally traveling material-engaging surface
With control or adjustment means
226181, 414432, B65H 1722
Patent
active
041779126
ABSTRACT:
Apparatus for the planetary feeding of electrode wire having means for adjusting the pushing force exerted on the electrode wire by electromagnetic means. Opposed canted rolls are mounted for rotation about their axes upon a first housing part which is rotatable about the axis of an elongated electrode wire which passes between and is fed by the canted rolls. A second housing part, which is disposed coaxially of the first housing part, bears means such as a cam or a cone which interacts with roll adjusting means mounted on the first housing part so as to adjust the force with which the canted rolls engage the electrode wire in accordance with relative motion between the two housing parts. The second housing part is driven for rotation about its axis. The degree of motion of the two housing parts relative to each other, thereby to vary the force with which the canted rolls engage the electrode wire, is determined by an externally controlled electromagnetic means which can be adjusted while the welding apparatus is in continuous operation.
REFERENCES:
patent: 3347435 (1967-10-01), Jura
patent: 3413915 (1968-12-01), Goodwin
patent: 4049172 (1977-09-01), Samokovliski
Angelov Angel S.
Nachev Georgi N.
Nemechek Alfred E.
Petrov Peter D.
Samokovliski David A.
CUV "Progress"
Schacher Richard A,.
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