DEVICE AND METHOD FOR AUTOMATIC MULTIPLE-BEAD WELDING
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United States of America Patent
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Issued Date -
Jun 14, 2012
app pub date -
Aug 20, 2010
filing date -
Aug 24, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A welding device and a method for automatic multiple-bead welding, wherein a line illumination member is arranged to illuminate the joint by scanning a light beam across the joint line. A camera is arranged for the registration of line images of the joint when it is illuminated with the scanned light beam. The locations of the edges of the joint are determined by means of triangulation based on the registered line image. The welding device can include a stereo image member arranged to register photometric stereo images of the joint substantially simultaneously with the registration of the line images. The welding device is arranged to, during welding of a weld joint with a plurality of weld beads, control the welding head in dependence on both stereo images and line images.
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