Electric heating – Metal heating – By arc
Patent
1992-06-26
1994-12-06
Shaw, Clifford C.
Electric heating
Metal heating
By arc
B23K 9095
Patent
active
053713397
ABSTRACT:
A welding head and process for measuring welding parameters, and the application thereof to automatic welding, which make it possible to measure welding parameters by use of a mechanism for viewing the welding scene. This welding scene is illuminated by the arc and the electrode and includes light spots projected by a laser source through a nozzle. The scene thus illuminated is transformed into images by the picture-taking mechanism which is able to determine the position of the spots and to determine the height of the welding head above the welding scene, by a method of triangulation. The picture-taking angle of the picture-taking mechanism can be modified to make it possible to determine several welding parameters. The welding head can be incorporated into an automatic welding system and can be applied in all high-technology industrial fields requiring automatic welding, such as the space, nuclear, or aeronautics fields.
REFERENCES:
patent: 4578561 (1986-03-01), Corby, Jr. et al.
patent: 5006999 (1991-04-01), Kuno et al.
patent: 5104216 (1992-04-01), Vokurka
Patent Abstracts of Japan, vol. 11 No. 301(M628), Sep. 30, 1987, & JP-A-62-093093, Apr. 28, 1987, A. Nobuyoshi, "Weld Line Detecting Device".
De Prunele Diane
Dillet Alain
Commissariat a l''Energie Atomique
Shaw Clifford C.
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