Journal of Welding and Joining

  • 제29권1호
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  • Pages.115-122
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  • 2011
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  • 2466-2232(pISSN)
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  • 2466-2100(eISSN)
대한용접접합학회 (The Korean Welding and Joining Society)
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가속도계를 이용한 마이크로스폿용접의 인프로세스 모니터링

In-Process Monitoring of Micro Resistance Spot Weld Quality using Accelerometer

  • 장희석 (명지대학교 기계공학과) ;
  • 권효철 ((주)효성 중공업연구소 솔루션 연구팀)
  • 투고 : 2010.11.30
  • 심사 : 2011.02.11
  • 발행 : 2011.02.28
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초록

This study is to propose an in-process monitoring system for micro resistance spot welding processes using minute accelerometer. A minute accelerometer is mounted on the upper moving electrode tip holder. With its high sensitivity and frequency response characteristics, accelerometer output signal has been successfully recorded and integrated twice to reflect electrode expansion during micro spot welding processes. The analysis of electrode expansion pattern was attempted to find its correlation with spot weld quality. Major previous findings1-6) regarding spot weld quality assessment with the electrode expansion signal in large scale resistance spot welding processes were proved to be true in this in-process monitoring system.

키워드

참고문헌

  1. Gedeon S. A., Sorensen C. D., Ulrich K. T. et al. : Measurement of dynamic electrical and mechanical properties of resistance spot welding, Welding J., 66-1 (1987), 378-385
  2. Dickinson D.W., Franklin J. E., and Stanya A. : Characterization of spot welding behavior by dynamic electrical parameter monitoring, Welding J., 59-16 (1980), 170s-176s
  3. Microprocessor-based Electrode Movement Controller for Spot Weld Quality Assurance, IEEE Trans. Ind. Electron, IE-32-3 (1985), 234-238 https://doi.org/10.1109/TIE.1985.350164
  4. Chang H. S. : In-process Monitoring and Control of Weld Nugget Geometry for Resistance Spot Welding Process, Ph.D. Thesis, KAIST, 1989, 10-19
  5. Lim T.G., Cho H.S, Chang, H.S. : The Use of Neural Networks in the Monitoring of Spot Weld Quality, Journal of Korean Welding Society, 11-2 (1993), 27-41 (in Korean)
  6. Haefner, K., Carey, B., Bernstein, B., Overton, K., and Andrea, M.D. :Real Time Adaptive Spot Welding Control, ASME J. Dyn. Sys., Meas. and Control, 113(1991), 104-112 https://doi.org/10.1115/1.2896333
  7. Chen J. Z, Farson D. F, : Electrode displacement measurement dynamics in monitoring of small scale resistance spot welding, Measurement Science and Technology, 15 (2004), 2419-2425 https://doi.org/10.1088/0957-0233/15/12/011
  8. Chyuan-Yow Tseng, Young-Chang Chen and Tu-Fa Wang : Quality Monitoring for Micro Resistance Spot Welding, 12th IFToMM World Congress, Besancon (France), 2007, 18-21

피인용 문헌

  1. Dynamic Model for Electrode Expansion in Resistance Spot Welding Machines vol.29, pp.2, 2011, https://doi.org/10.5781/KWJS.2011.29.2.094
  2. Development and Application of Realtime Weld Quality Monitoring System vol.30, pp.1, 2012, https://doi.org/10.5781/KWJS.2012.30.1.44