Laser Solutions (한국레이저가공학회지)
- Volume 12 Issue 3
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- Pages.14-17
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- 2009
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- 1229-0963(pISSN)
Study on the Process Parameters for Laser Welding of Coaxial Circular Pipe Inner Flange
동축 파이프 이음부의 레이저용접 공정변수에 관한 연구
- Kim, Yong (Institute for Advanced Engineering) ;
- Park, Ki-Young (Institute for Advanced Engineering) ;
- Lee, Kyoung-Don (Institute for Advanced Engineering)
- Published : 2009.09.30
Abstract
The laser welding was performed for the flange joint of two overlapped coaxial circular pipes which serve as the inlet and connector pipes of STS 316L. The laser welding test finally resulted in a good penetration depth of 1.8 to 2.0 mm. On the way to get the good welding quality, two important parameters were found to be optimized. One is the focal positioning which is the offset of the laser beam focus to the exact welding seam line, which is more critical in the inner flange laser welding. When the beam spot size was deviated more than