摘要
针对双电极焊条单弧焊焊接新工艺 ,作者研究了其电弧静特性和双电极焊条的熔化特性 ,并用高速摄像机对双电极焊条单弧焊的电弧形态进行了研究。结果表明 ,双电极焊条单弧焊具有上升的电弧静特性 ,静特性曲线随两焊芯间距的增大而上移 ;在两焊芯间距合适的情况下 ,双电极焊条阴、阳极熔化速度可以保持一致 ,故双电极焊条单弧焊可使用交、直流电源 ,其熔化速度比单芯焊条的大并随焊接电流的增大和两焊芯间距的减小而增大 ;双电极焊条单弧焊电弧有多种形态。
The twin electrode single arc welding is a new welding technology. The static characteristic of arc and melting property of twin electrode were studied, and the arc shape of twin-electrode single arc welding is observed with high speed camera. Results show that the arc static characteristic of twin electrode single arc welding is rising, the static characteristic curve goes up with the increase of the space between two cores. Under the right space between two cores, the melting rate of two core of twin electrode can keep consistent, so DC or AC power source can be used by the twin electrode single arc welding. The melt rate of twin-electrode is bigger than single core electrode and increases with the increase of welding current and the decrease of space between two cores. The electric arc of twin electrode single arc welding have various forms.
出处
《焊接学报》
EI
CAS
CSCD
北大核心
2004年第1期5-7,12,共4页
Transactions of The China Welding Institution
基金
山东省自然科学基金资助项目 (Z2 0 0 2F0 3 )
