Proceedings of the Korean Society of Precision Engineering Conference (한국정밀공학회:학술대회논문집)
- 2001.04a
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- Pages.316-319
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- 2001
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- 2005-8446(pISSN)
A Study of Heat Input Distribution on the Surface during Torch Weaving in Gas Metal Arc Welding
가스 메탈 아크 용접에서 토치 위빙 중 표면 입열 분포 해석에 관한 연구
Abstract
In weaving welding where a V groove exists, the heat input distribution is an important factor that determines the defectiveness of the bead shape, undercut and over-lap. In this study, the amount of heat input, which is determined by the welding current, voltage, speed and weaving conditions is calculated through numerical methods. Furthermore, the heat input distribution as a two- dimensional heat source was observed when applied to each groove. Therefore, a heat input control algorithm is suggested to prevent the defects generated from undercut or over-lap, which was verified through an analysis of the heat input distribution.
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