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DEVICE AND A METHOD FOR PREDICTING PLATE FRACTURE IN A COLD-ROLLING PROCESS, CAPABLE OF IMPROVING THE ACCURACY OF PREDICTING THE PLATE FRACTURE BY DETECTING EDGE CRACKS ON A STEEL SHEET AND PREDICTING THE PLATE FRACTURE
DEVICE AND A METHOD FOR PREDICTING PLATE FRACTURE IN A COLD-ROLLING PROCESS, CAPABLE OF IMPROVING THE ACCURACY OF PREDICTING THE PLATE FRACTURE BY DETECTING EDGE CRACKS ON A STEEL SHEET AND PREDICTING THE PLATE FRACTURE
PURPOSE: A device and a method for predicting plate fracture in a cold-rolling process are provided to predict plate fracture by detecting edge cracks on a steel sheet and to increase the accuracy of predicting the plate fracture so that an operator can cope with the plate fracture at a good time.;CONSTITUTION: A device for predicting plate fracture in a cold-rolling process comprises a light source(1), a camera(2), and a signal processing unit(3). The light source irradiates lights on a steel sheet(100). The camera is installed in a side opposite to the light source based on the steel sheet and generates images by detecting the incident lights. The signal processing unit is electrically connected to the camera and extracts edge crack images from the image input by the camera, thereby warning the plate fracture according to the size of the extracted edge crack images.;COPYRIGHT KIPO 2013;[Reference numerals] (10) Edge crack image extracting unit; (20) Plate fracture determining unit; (3) Signal processor; (30) Plate fracture warning unit
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