INAPPROPRIATE QUALITY JUDGMENT APPARATUS AND INAPPROPRIATE QUALITY JUDGMENT METHOD

摘要

The present invention provides an inappropriate quality judgment apparatus and an inappropriate quality judgment method capable of easily judging an inappropriate quality of the strip surface shape of a metal strip without using a special light source such as a rod-like light source.;An inappropriate quality judgment apparatus includes: a roll whose rotary shaft is extended and installed in the width direction of a rolled steel strip and that lifts the rolled steel strip upward; cameras that captures images including a lifted area of the rolled steel strip lifted upward by the roll; and a controller that judges an inappropriate quality of the strip shape of the rolled steel strip on the basis of the images captured by the cameras.