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Journal of KWJS 2003;21(7):34-41.
Published online December 25, 2003.
[기술논문] CO₂레이저를 이용한 용접튜브 제조공정에서의 용접선 추적 및 용접품질 모니터링
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Weld Quality Monitoring and Seam Tracking in Making of Welded Tube using CO₂ Laser
Jeong Suh, Jae-Hoon Lee, Jeng-O Kim, Hee-Shim Kang, Moon-Yong Lee, Byung-Hun Jung
Abstract
Weld quality monitoring and seam tracking along the butt-joint lengthwise to the tube axis are studied. The material of tube is 60kg/mm² grade steel sheet, and the longitudinal butt-joint is shaped by 2 roll bending machine. The tube with a thickness of I.5mm, diameter of 105.4mm and length of 2000mm is successfully obtained by the CO₂ laser welding system equipped with a seam tracker and plasma sensor. Experimental results show that the developed welding system can be used for the precision seam tracking and the real-time monitoring of weld quality, and the laser welded tube can be used for car body and component after tubular hydroforming.
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