Q350EWR1高耐候钢脉冲MAG焊接飞溅控制与电弧稳定性研究  

Optimization Study on Pulse MAG Welding Process Performance of Q350EWR1 High Weathering Steel

作　　者：赵永键 ZHAO Yongjian(Panasonic Welding Systems(Tangshan)Co.,Ltd.,Tangshan 063020,China)

机构地区：[1]唐山松下产业机器有限公司,河北唐山063020

出　　处：《电焊机》2024年第6期106-112,共7页Electric Welding Machine

摘　　要：为优化Q350EWR1高耐候钢的脉冲MAG焊接工艺。通过在开启脉冲宽度调制(PWM)反馈的条件下,借助高速摄影和记录仪观察电弧的形态以及焊接电流和电弧电压波形,调整不同送丝量的熔滴脱落时机和熔滴过渡的一致性。找出最优的脉冲频率、脉冲上升斜率、脉冲下降斜率、脉冲峰值、脉冲基值,保证焊接电弧的稳定性,有效控制飞溅量,节省焊材且提高了焊接生产效率。并在松下GS6焊机上得到应用,为Q350EWR1高耐候钢的焊接工艺提供了参考依据。In order to improve the welding performance of Q350EWR1 high weather resistant steel,this article adopts pulse welding method.By using high-speed photography and recorders to observe the shape of the arc,as well as the waveform of welding current and arc voltage,under the condition of pulse width modulation(PWM)feedback,adjusting the timing of droplet shedding and consistency of droplet transition for different wire feed rates.Find out the optimal pulse frequency,pulse rise slope,pulse fall slope,pulse peak value,pulse base value to ensure the stability of welding arc,effectively control the splash amount,save welding materials and improve welding production efficiency.It has been applied in the GS6 welding machine developed by Panasonic,which provides a valuable reference for the welding process of Q350EWR1 high weathering steel.

关 键 词：Q350EWR1高耐候钢 脉冲宽度调制 电弧稳定性 熔滴过渡 飞溅 

分 类 号：TG434.3[金属学及工艺—焊接]