Arc welding torch with integral vision sensor

Details Arc welding torch with integral vision sensor Arc welding torch with integral vision sensor

1984-06-11

1984-12-11

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219 75, 21913001, 21913021, 358101, B23K 910

Patent

active

044880324

ABSTRACT:
A gas tungsten arc welding torch has an integral optical system which images the weld puddle on the face of a fiber optic cable, and is suitable for industrial welding. The copper torch body has cover gas, electrical power, and coolant connections and an integral slim profile electrode holder. The optical lens is located directly above the electrode; the holder is out of focus and is not seen in the image of the weld region. A concentric torch configuration is more compact and has a large field of view at the weld area. When coupled to a remote video camera and monitor components, the torch-vision system permits control of torch manipulation and of the weld process.

REFERENCES:
patent: 3020806 (1962-02-01), Castrucci
patent: 3590213 (1971-06-01), Caldwell
patent: 4306148 (1981-12-01), Ringwall et al.
S. H. Rao, CWR Technical Report 529613-81-3, Ohio State University, Sep. 1981, pp. xi, xii, 1-5, 24-41.
Fiber-Optics Couple Arthroscope to TV, NASA Tech. Briefs, vol. 5, No. 4, Fall 1980, pp. 462, 463.

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