Welding management apparatus

Details Welding management apparatus Welding management apparatus

1992-04-15

1994-04-19

Shaw, Clifford C.

Electric heating

Metal heating

Of cylinders

219110, B23K 1308

Patent

active

053047680

ABSTRACT:
A welding management apparatus for use with a tube production machine adapted to form a workpiece fed from a roll of metal strip in a tubular formation having side surfaces opposite to each other, provide an upsetting pressure to butt the opposite side surfaces of the workpiece at a jointing point, and supply a high frequency power to the workpiece to weld the opposite side surfaces at a welding point so as to produce a metal tube. The welding management apparatus comprises a camera positioned to have a visual field including the jointing and welding points for producing a video signal indicative of an image of the visual field. The video signal is converted into a luminance distribution pattern used in controlling the high frequency power to the workpiece.

REFERENCES:
patent: 3253112 (1966-05-01), Worden
patent: 3573416 (1971-04-01), Drechsler
patent: 4491719 (1985-01-01), Corby, Jr.
patent: 4594497 (1986-06-01), Takahaski et al.
patent: 4649256 (1987-03-01), Minamida et al.

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