한국레이저가공학회지 (Laser Solutions)

한국레이저가공학회 (Korean Society of Laser Processing)
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로봇 기반 원격 레이저 용접에 관한 연구

Study on Robot based Remote Laser Welding

  • 강희신 (한국기계연구원 지능형생산시스템 연구본부) ;
  • 서정 (한국기계연구원 지능형생산시스템 연구본부) ;
  • 조택동 (충남대학교 BK21 메카트로닉스사업단)
  • Kang, Hee-Shin (Intelligent Manufacturing System Research Division, Korea Institute of Machinery & Materials) ;
  • Suh, Jeong (Intelligent Manufacturing System Research Division, Korea Institute of Machinery & Materials) ;
  • Cho, Taik-Dong (BK21 Mechatronics Group, Chungnam National University)
  • 발행 : 2008.12.31
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초록

Remote Laser welding technology for manufacturing automotive body is studied. Laser welding and industrial robot systems are used for the robot based laser welding system. The laser system is used 1.6kW Fiber laser(YLR-1600) of IPG. The robot system is used HX130-02 of Hyundai Heavy Industry(payload : 130kg). The robot based laser welding system is equipped with laser scanner system for remote laser welding. The welding joints of steel plate and steel plate coated with zinc are butt and lapped joints. The quality test of the laser welding are through the observation the shape of bead on plate and cross-section of welding part. During past three years the laser system, 4kW Nd:YAG laser (HL4006D) of Trumpf was used and the robot system, IRB6400R of ABB (payload:120kg) was used. The new laser source, robot and laser scanner system are used to increase the processing speed and to improve the process efficiency. This paper introduces the robot based remote laser welding system to resolve the limited welding speed and accuracy of the conventional laser welding system.

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