Method and device for the optical assessment of welding...

B - Operations – Transporting – 23 – K

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B23K 9/095 (2006.01) B23K 26/03 (2006.01) G01N 21/88 (2006.01)

Patent

CA 2663314

In laser welding, the welding area is depicted coaxially in relation to the laser beam (3) through the laser optics (4), wherein not only a triangulation line and a grey or colour image of the solidified weld is recorded but also the process radiation of the welding process. From these three image elements, an optimum quality assessment of the welding process and of the weld can be made.

Selon l'invention, en soudage au laser, on forme une image de la zone de soudage coaxialement par rapport au faisceau laser (3) et à travers l'optique laser (4). On enregistre à la fois une ligne de triangulation et une image en échelle de gris ou colorée du cordon de soudure solidifié et de la lampe de traitement du procédé de soudage. A partir de ces trois éléments d'image, on peut effectuer une évaluation optimale de la qualité de l'opération de soudage et du cordon de soudure.

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