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U型钢机器人快速 MAG 焊接工艺研究
王子然1 , 赵宝1 , 李洪涛1 , 李荣1 , 王克南2
作者单位
王子然1 , 赵宝1 , 李洪涛1 , 李荣1 , 王克南2  
摘要:
采用机器人对U型钢试件进行快速 MAG 焊接工艺试验,通过对立缝焊接过程电流、电压、速度等工艺参数及摆动幅度、摆动频率、两侧壁停留时间等机器人运动参数对焊接过程及焊后结果的影响进行分析,结合立角焊接过程熔池受力特性对焊接过程的影响,配合平角及立向弯角焊接,形成一套连贯有效的U型钢快速MAG焊接工艺并能用应用于实际产品。结果表明,在保证焊接稳定性的前提下,焊接电流、电弧电压适当减小,焊接速度适当增加,摆动参数适当减小,有利于焊后焊缝良好成形及效率提高;最终工艺应用在产品上,降本增效,满足生产质效需求。
关键词:  U型钢  机器人  立焊  快速焊接  MAG焊
DOI:
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基金项目:
Research on robot rapid MAG welding technology of U shaped steel
Wang Ziran1, Zhao Bao1, Li Hongtao1, Li Rong1,Wang Kenan2
Abstract:
Robot rapid MAG welding method was used to weld U shaped steel specimens. The influence of welding current, arc voltage, welding speed, oscillation amplitude and frequency, two side stay time on the welding process and results were studied. The optimized welding process, which can be applied to actual product, was obtained by analyzing the fluent behavior of welding pool during the vertical welding process. The results showed that the weld formation and efficiency can be improved by ensuring the welding stability, reducing the welding current and arc voltage, increasing the welding speed and reducing swing parameters. The optimized process parameters were used to weld the product to reduce the cost and increase the efficiency, which meet the demand of production quality and efficiency.
Key words:  U shaped steel  robot  vertical welding  rapid welding  MAG welding

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