Method and apparatus for assembling motor vehicle body

Details Method and apparatus for assembling motor vehicle body Method and apparatus for assembling motor vehicle body

1994-10-21

1996-08-20

Walberg, Teresa J.

Electric heating

Metal heating

For bonding with pressure

219 8625, 219 867, 219 87, 219 912, 219108, 901 42, B23K 1111, B23K 1124, B23K 3700

Patent

active

055480969

ABSTRACT:
A method for assembling a motor vehicle body by fixing relative positional relationship among a plurality of motor vehicle body constituent parts by means of positioning members provided in a welding jig which is disposed on each side of an assembly station and, in this condition, welding together the plurality of motor vehicle body constituent parts at a plurality of tack-welding locations. First welding guns of indirect feeding type are mounted on the welding jig to weld a part of the tack-welding portions. A welding robot having mounted thereon a second welding gun is disposed outside the welding jig. The above-described part of the tack-welding portions are welded by supplying electric power from the second welding gun to the first welding guns by pinching, by the second welding gun, feeder terminals of the first welding guns in a condition in which the above-described part of the tack-welding portions are being pinched by the first welding guns. The remaining of the tack-welding portions are thereafter welded by the second welding gun.

REFERENCES:
patent: 4404451 (1983-09-01), Niikawa et al.
patent: 4593850 (1986-06-01), Ariga et al.
patent: 5188276 (1993-02-01), Furuya et al.

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