Welding core wire supply device

Details Welding core wire supply device Welding core wire supply device

1982-04-27

1983-09-13

Shaw, C. C.

Electric heating

Metal heating

By arc

219136, 21913763, 2191377, 21913771, 228 33, B23K 912

Patent

active

044044577

ABSTRACT:
A welding core wire supply device comprises a conduit containing a welding core wire guide tube, a control cable, a power cable and so forth therein and having connectors at its both ends, a given number of supply units each having a supply section for leading and supplying a welding core wire to a desired zone of the conduit, and a power unit. The plurality of supply units are serially connected to the power unit through said connectors. Each supply section comprises at least a pair of rollers for drawing the welding core wire therebetween, a pull motor for rotating the rollers, a control device for controlling the pull motor with constant torque and a circuit for turning on and off a power supply to the supply units in response to welding start, stop and inching signals.

REFERENCES:
patent: 2806125 (1957-09-01), Miller
patent: 3619553 (1971-11-01), Wilkens
patent: 3629547 (1971-12-01), Kester
patent: 3630425 (1971-12-01), Wilkens
patent: 3744694 (1973-07-01), Karnes et al.

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