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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
Korean Society for Precision Engineering International Journal of Precision Engineering and Manufacturing International Journal of Precision Engineering and Manufacturing Vol.6 No.3
발행연도
수록면
19 - 23 (5page)

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초록· 키워드

To minimize the weld defect in manufacturing of the welded tube by using CO₂ laser, the monitoring of the welding quality and the seam tracking along the butt-joint lengthwise to the tube axis are studied. The longitudinal butt-joint is shaped from 60㎏f/㎟ grade steel sheet by 2 roll bending method, and welded by the CO₂ laser welding system equipped with the seam tracker and plasma sensor. The laser welded tube has the thickness of 1.5㎜, diameter of 105.4 ㎜ and length of 2000㎜. The precise positioning of the laser beam on the butt-joint to be assembled is obtained within 200㎛ by the laser vision sensor. The artificial defects in the butt-joint are well observed by the signal of plasma intensity measured from the plasma sensor of UV wavelength range within 400㎚. The developed CO₂ laser tube welding system has the function of the precision seam tracking and the real-time monitoring of the welding quality. In conclusion, the laser welded tube can be used for manufacturing of automobile chassis and components after hydro-forming.
#CO₂ laser welded tube #seam tracking #weld quality monitoring
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목차

  1. 1. Introduction
  2. 2. Experimental method and system
  3. 3. Experimental results and discussion
  4. 4. Conclusion
  5. ACKNOWLEDGEMENT
  6. REFERENCES

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