Electric heating – Metal heating – Wire – rod – or bar bonding
Patent
1980-09-08
1982-08-10
Truhe, J. V.
Electric heating
Metal heating
Wire, rod, or bar bonding
219 87, 219116, 219159, B23K 1132, B23K 3704, B21F 1508, B21F 2710
Patent
active
043439810
ABSTRACT:
A resistance welding machine for progressively welding each of a succession of transverse wires to longitudinal wires at a transverse welding station to and through which the longitudinal wires are incrementally advanced, the machine having a welding unit including a carriage mounted above the welding station for intermittent and reversible movement transversely of the machine and longitudinally of the welding station, a transformer vertically reciprocable in the carriage by a power unit mounted thereabove on the carriage, and a ram suspended from the transformer for movement in unison therewith and mounting for limited relative vertical movement a welding head carrying a front welding electrode, and a vertically movable guide bar and stationary platen, both electrically conductive and mounted independently of the welding unit, the guide bar below the ram and in advance of the welding station for guiding the longitudinal wires thereto and the platen underlying and supporting the longitudinal wires below both the guide bar and the welding station, and insulated conductors on the ram each connected to a secondary lead of the transformer and one connected to a conductor on the welding head and the other connectable to the guide bar, the ram and welding head in an advance stroke under force of the power unit transmitted through the transformer, acting for sequentially clamping the longitudinal wires against movement by the guide bar and the presented part of the transverse wire to a plurality of longitudinal wires by the electrode for welding the transverse wire to the longitudinal wires by welding current flowing between the secondaries of the transformer through the guide bar, the platen and the electrode on the welding head.
REFERENCES:
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patent: 3286072 (1966-11-01), Ritter et al.
patent: 3588417 (1971-06-01), Gott et al.
patent: 3780253 (1973-12-01), Senn
patent: 3798405 (1974-03-01), Boothe
patent: 3939879 (1976-02-01), Tolliver et al.
patent: 3961153 (1976-06-01), Smith et al.
patent: 4149059 (1979-04-01), Gott et al.
patent: 4174475 (1979-11-01), Senn
patent: 4221951 (1980-09-01), Connolly
George Keith E.
Mechlin Wilmer
Truhe J. V.
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