Proceedings of the KSME Conference (대한기계학회:학술대회논문집)
- 2007.05a
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- Pages.1299-1306
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- 2007
Position welding using disk laser-GMA hybrid welding
디스크 레이저-아크 하이브리드 용접을 이용한 포지션 용접
- Published : 2007.05.30
Abstract
The combination of laser beam and electric arc sharing common weld pool has widely been investigated since the late seventies, but it is beginning of the industrial uses. Recently, laser-GMA hybrid welding process showed possibility to overcome the tight gap tolerance with improved productivity. The laser-arc hybrid welding process is inherently complex because it has three kinds of process parameters: arc welding, laser welding and hybrid welding parameters. In this study, the optimum range of the process parameters were determined by high speed image analysis which could unveil the welding phenomena in laser-arc hybrid welding. The laser-arc hybrid welding was applied for position welding from the flat position to the overhead position and the welding characteristics were investigated.