Surface treatment of metal articles

B - Operations – Transporting – 23 – K

Patent

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Details

B23K 7/06 (2006.01) B21B 45/00 (2006.01) B23K 7/10 (2006.01) G01N 21/89 (2006.01) G01N 25/72 (2006.01)

Patent

CA 2347227

A camera (32) is arranged to map defects in the molten metal bath formed by scarfing using a scarfing torch (34) on a steel slab (37). The camera has a field of vision of a large area (36) of the slab (37) and records the defects as flashes of high intensity light the nature of which identifies the type of defect.

Selon la présente invention, on dispose une caméra (32) de manière à repérer les défauts dans le bain de métal fondu formé par le décriquage effectué au moyen d'un chalumeau de décriquage (34) sur une plaque d'acier (37). La caméra possède un champ de vision correspondant à une grande surface (36) de la plaque (37) et elle enregistre les défauts sous forme d'éclairs de grande intensité lumineuse qui, de par leur nature, permettent d'identifier le type de défaut.

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