冷丝辅助旋转/摇动电弧窄间隙MAG焊缝成形特性及接头组织性能演变机制
Weld Formation Characteristics and the Evolution Mechanisms of Joint Microstructure and Mechanical Properties for Rotating/Swing Arc Narrow Gap MAG Welding Assisted by Cold Wire
冷丝辅助旋转/摇动电弧窄间隙MAG焊缝成形特性及接头组织性能演变机制 |
| 李红, 姜玉清, 曹玉鹏, 王加友, 刘澍彬 |
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Weld Formation Characteristics and the Evolution Mechanisms of Joint Microstructure and Mechanical Properties for Rotating/Swing Arc Narrow Gap MAG Welding Assisted by Cold Wire |
| LI Hong, JIANG Yuqing, CAO Yupeng, WANG Jiayou, LIU Shubin |
| 图1 冷丝辅助旋转/摇动电弧窄间隙熔化极活性气体保护(MAG)焊接系统原理图 |
| Fig.1 Schematics of rotating/swing arc narrow gap metal active gas (MAG) welding system assisted by cold wire (CW) (a), conductive rod mechanism for swing arc (b), and conductive rod mechanism for rotating arc (c) (Ia—arc current, α—cold wire sloping angle, β—conductive-rod bending angle, e—eccentric distance of contact tip, r1—arc swing radius, r2—arc rotating radius, Vw—welding speed) |
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