Lattice welding robot and method for the lattice welding

Details Lattice welding robot and method for the lattice welding Lattice welding robot and method for the lattice welding

1995-02-23

1996-08-06

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21912431, 21912512, B23K 9127

Patent

active

055436005

ABSTRACT:
A lattice welding robot detects an X-axis slide position of X.sub.p by an arc sensor of a welding torch, compares the value of X.sub.p with a reference value of X.sub.0 by a comparator, calculates a differential value of the value of X.sub.p by a differentiator and computes a travel speed correction amount .DELTA.V from a difference between a comparator output value and a differentiator output value by a computing unit. The correction amount .DELTA.V is added to an initial speed of each of inside wheels and outside wheels of a welding carriage to control each of driving motors for the inside wheels and the outside wheels by an adding speed command V.sub.in and an adding speed command V.sub.out, respectively. Thereby, a rough guidance for the welding carriage to trace a weld line is performed.

REFERENCES:
patent: 4441011 (1984-04-01), Nomura et al.
patent: 4704513 (1987-11-01), Sugitani et al.
patent: 4926023 (1990-05-01), Sugitani et al.

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