Seam welding method and apparatus

Details Seam welding method and apparatus Seam welding method and apparatus

1976-07-17

1979-01-02

Truhe, J. V.

Electric heating

Metal heating

For bonding with pressure

219 81, 219111, B23K 1106

Patent

active

041328809

ABSTRACT:
A high speed seam welding system wherein single phase alternating current welding pulses are applied to electrode mechanism during only a less than maximum amplitude fractional portion of the wave form representing each successive current half cycle, and the current is substantially cut off between current applications to permit cooling. The relative seam welding movement of the electrode mechanism and the material to be seam welded is coordinated with the duration of the welding and cooling periods to more rapidly form a line of uniform weld nuggets. The system may also be operated at more conventional welding speeds to weld relatively heavy gauge materials.

REFERENCES:
patent: 2092093 (1937-09-01), Silverman
patent: 2111014 (1938-03-01), Vedder
patent: 2179284 (1939-11-01), Diamond

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