Welding torch with arc light reflector

Details Welding torch with arc light reflector Welding torch with arc light reflector

1985-10-03

1986-12-30

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21912434, B23K 910

Patent

active

046330607

ABSTRACT:
A conical shaped mirror (34) fits on the end of a welding torch (10) to reflect light from the arc (30) back onto the workpiece. The torch (10) has an internal coaxial viewing system consisting of a lens (12) which focuses the field of view of the weld scene of the workpiece onto the end (16) of a fiberoptic bundle (18). The transmitted image of the fiberoptic bundle (18) is provided to a camera lens (20) which focuses it onto a TV sensor array (23) for transmission. The reflected arc (30) light illuminates the dark areas of the weld area and thereby provides a more detailed image for the viewing system.

REFERENCES:
patent: 3899672 (1975-08-01), Levi-Setti
patent: 4488032 (1984-12-01), Case, Jr. et al.
D. S. Goodman, "Hemispherical Reflector for Laser Processing", IBM Technical Disclosure Bulletin, vol. 27, No. 5, 10/1984, p. 3141.

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