B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
78/64
B23K 9/02 (2006.01) B23K 9/127 (2006.01) B23Q 35/128 (2006.01)
Patent
CA 1250765
- 1 - Abstract A welding position detecting apparatus is provided on a welding torch that forms an arc between a welding wire and a groove face on a workpiece. The apparatus has an optical system for irradiating the groove face with a converging ray at a point in advance of the point of the arc, so as to form a groove-face-crossing image. An observing optical system introduces this groove-face- crossing image and an arc image into its field of view whereby these images are detected at the same time. The arrangement affords a simplification and size reduction relative to prior art systems.
498380
Akatsu Toshio
Hirai Akira
Mori Kenji
Nakajima Jun
Shibata Nobuo
Hitachi Ltd.
Kirby Eades Gale Baker
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