G - Physics – 01 – N
Patent
G - Physics
01
N
327/60, 88/96.2,
G01N 21/86 (2006.01)
Patent
CA 1228404
-20- Abstract of the Disclosure Fiber Optic Seam Tracking Apparatus An arc welding head suitable for robotic welding has a fiber optic bundle and remotely located laser light source which is imaged onto an end of the fiber optic bundle and optically linked to substantially a single fiber of the fiber optic bundle. The light source is then repetitively scanned across the coherent arrangement of fibers within the bundle, such that, a substantial portion of the transmitted light will be sequentially delivered to each individual fiber within a row of fibers and subsequently delivered to a workpiece. This arrangement provides a high signal to noise ratio making the laser light reflected from the workpiece easily distinguishable from the optical "noise" generated by the welding arc flash.
491048
Caterpillar Inc.
Kirby Eades Gale Baker
LandOfFree
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