Optically controlled welding system

Details Optically controlled welding system Optically controlled welding system

1988-09-28

1989-05-16

Shaw, Clifford C.

Electric heating

Metal heating

By arc

21913001, 901 42, 901 47, B23K 912

Patent

active

048312339

ABSTRACT:
An optically controlled welding system (10) wherein a welding torch (12) having through-the-torch viewing capabilities is provided with an optical beam splitter (56) to create a transmitted view and a reflective view of a welding operation. These views are converted to digital signals which are then processed and utilized by a computerized robotic welder (15) to make the welding torch responsive thereto. Other features includes an actively cooled electrode holder (26) which minimizes a blocked portion of the view by virtue of being constructed of a single spoke or arm (28) and a weld pool contour detector (14) comprising a laser beam directed onto the weld pool with the position of specular radiation reflected therefrom being characteristic of a penetrated or unpenetrated condition of the weld pool.

REFERENCES:
patent: 4578561 (1986-03-01), Corby, Jr. et al.
patent: 4667082 (1987-05-01), Shibata et al.
patent: 4711986 (1987-12-01), Lillquist et al.
patent: 4767911 (1988-08-01), Maram et al.

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