METHOD OF DETECTING FLAW OF HOT-ROLLED STEEL CAUSING HOT ROLLING ROLL FLAW

摘要

A method of detecting a hot rolling rolled defect is disclosed. According to an embodiment of the present invention, there is provided a method of detecting a hot rolling rolled defect, comprising the steps of: photographing a surface of a plate material; analyzing the photographed image to detect defects on a surface of the plate material; and if the shape of the detected defect is a linear defect or a hook- , And the detected defect is judged as a hot rolling rolled defect.;