Programmed welding machine with continuously monitored override

Details Programmed welding machine with continuously monitored override Programmed welding machine with continuously monitored override

1979-03-28

1981-03-10

Shaw, C. C.

Electric heating

Metal heating

By arc

2191251, 228 9, 228 45, 318575, 318593, B23K 912

Patent

active

042556430

ABSTRACT:
A welding machine includes a programming device to move a welding head relative to horizontal main X and Y axes, and to rotate the head about a vertical C axis. A sensor is connected to rotate with the welding head on a rotator. A sine cosine resolver is mounted on the rotator so that its shaft is geared to the rotator gear. Deviations from the programmed path which may occur in the weld groove are sensed by the sensor, which in turn causes the resolver output to drive a slide mechanism which defines deviation axes X.sub.d and Y.sub.d and which causes the weld head to move from its programmed path to the desired corrected path, when needed. The overriding correction is independent of the program.

REFERENCES:
patent: 3258776 (1966-06-01), Boyle et al.
patent: 3548172 (1970-12-01), Centner et al.
patent: 3850105 (1974-11-01), Aronstein et al.
patent: 3924094 (1975-12-01), Hansen et al.
patent: 4010346 (1977-03-01), Cecil et al.
patent: 4011437 (1977-03-01), Hohn
patent: 4014495 (1977-03-01), Oda et al.

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