A method of monitoring the welding operation in a stud...

Details A method of monitoring the welding operation in a stud... A method of monitoring the welding operation in a stud...

B - Operations, Transporting

23

K

B23K 9/20 (2006.01) B23K 9/095 (2006.01) B23K 11/00 (2006.01) B23K 11/24 (2006.01)

Patent

CA 2447248

The invention relates to a method of monitoring the welding operation in a stud welding process, wherein a part (19) to be welded is immersed into the melt by moving the part (5) towards a workpiece (17), with a physical quantity depending on the force required for moving the part (5) being measured at least during the phase of immersion of the part (19) to be welded into the melt and the measured gradient of the physical quantity plotted against time being compared with a predetermined set gradient. Furthermore, the invention relates to a stud welding device for carrying out such a method.

L'invention concerne un procédé de contrôle du processus de soudage lors du soudage de goujons, consistant à immerger un élément à souder (19) dans la fonte par déplacement d'un élément commandable (5) d'une tête de soudage de goujons (3) en direction d'une pièce (17). Par ailleurs, on mesure une grandeur physique dépendant de la force devant être exercée pour déplacer l'élément (5) au moins sur la durée de la phase d'immersion de la pièce (17) dans la fonte, et on compare la caractéristique grandeur physique mesurée/durée à une caractéristique de consigne prédéterminée. L'invention concerne également un dispositif de soudage de goujons destiné à la mise en oeuvre du procédé selon l'invention.

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