Apparatus for automatically guiding a welding gun along a progra

Details Apparatus for automatically guiding a welding gun along a progra Apparatus for automatically guiding a welding gun along a progra

1979-09-04

1982-10-26

Rubinson, G. Z.

Electric heating

Metal heating

By arc

2191251, 228 32, B23K 912

Patent

active

043563783

ABSTRACT:
A welding robot having an elongated arm pivotally mounted on an upright turret which is movable about the upright axis thereof. As a result, the arm is swingable about the aforesaid upright axis. A fine movement control device or commuter is mounted on an end of the air remote from the aforesaid pivotal attachment thereof to the upright turret. The fine movement control device has a welding gun mounted thereon with structure being provided in the control device for permitting the welding gun to move through a very fine pattern of movement independent of the movement of the arm. A preprogram is provided for moving the arm in a predesignated direction to coincide with the path of a welding seam. Variations of the welding seam from the preprogram can be controlled by the structure in the fine movement control device so that the welding torch will follow the actual welding seam even if it varies from the preprogrammed path thereof.

REFERENCES:
patent: 1929537 (1933-10-01), Schweisthal
patent: 2908804 (1959-10-01), Watter et al.
patent: 3373914 (1968-03-01), Wall, Jr.
patent: 3675841 (1972-07-01), Gutlhuber et al.
patent: 4008384 (1977-02-01), Cecil
patent: 4118620 (1978-10-01), Wall, Jr. et al.
patent: 4140953 (1979-02-01), Dunne
patent: 4271346 (1981-06-01), Hardy
Welding Journal, vol. 58, No. 1, Jan. 1979, pp. 26-30; "Arc Welding Times Slashed by Robot at Airresearch" by William Hosier.

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