DEVICE AND METHOD FOR OPTICALLY DETECTING SURFACE DEFECT OF ROUND WIRE ROD

PROBLEM TO BE SOLVED: To provide a device and method for detecting a surface defect of a round wire rod in real-time and without contact, using an optical sensor, in which the surface defect occurs on a surface of the wire rod in a process of manufacturing the wire rod through rolling, drawing and e...

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Bibliographische Detailangaben
Hauptverfasser:	PARK CHANG-HYUN, CHOI SAE-HO, HWANG HWA-WON, BAE HO-MOON
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a device and method for detecting a surface defect of a round wire rod in real-time and without contact, using an optical sensor, in which the surface defect occurs on a surface of the wire rod in a process of manufacturing the wire rod through rolling, drawing and extrusion.SOLUTION: A device for optically detecting a defect of a round wire rod in the present invention comprises: a lighting device for emitting circular surface light; an optical sensor for generating an optical signal by receiving light emitted by the lighting device and reflected from the round wire rod, which is being transported, and converting the optical signal into an image signal; and signal-processing means for acquiring surface information of the round wire rod by receiving the image signal from the optical sensor.