Operation management device, operation management method and operation management program for high-frequency resistance welding and induction heating welding

摘要

This operation management device forms a V-shaped converging portion, which is a portion where both end portions face each other, while forming a cylindrical shape so that both end portions gradually face each other while conveying a band-shaped metal plate. The operation management of the electric seam welding to be welded is performed. Further, the operation management device may be configured such that the first V convergence point where the both ends of the metal plate intersect geometrically and the both ends of the metal plate based on the image of the region including the V-shaped convergence portion. A measurement unit that measures a distance L [mm] to the second V convergence point that is the collision point, and a V convergence angle θ [°] at the first V convergence point; and the distance L [mm] and And a determination unit that determines whether or not the V convergence angle θ [°] satisfies the following expression (1). Lmin (θ / θst) −0.15 ≦ L ≦ 35 (1)