摘要
焊接电参数(电弧电压、焊接电流)包含着丰富的焊接过程信息.针对水下湿法焊条电弧焊工艺,在不同焊接工艺条件(不同水深、不同焊条)时在线采集焊接电弧电压瞬时值,然后对其进行统计处理.利用电弧电压标准差σU以及电弧电压瞬时值与电弧电压平均值差值H的频率对比和焊接过程稳定性指数W相结合的方式,对水下湿法焊条电弧焊接过程的稳定性进行直观分析和定量评价.结果表明,利用W可以很好地识别不同焊接过程的稳定性,为水下焊接工艺稳定控制提供了新的方法,具有重要的理论意义.
Welding electrical parameters(arc voltage and welding current) include abundant information of welding procedure.This paper collects instantaneous value of arc voltage for underwater wet manual arc welding at different welding conditions,taking different depth and welding electrode for instance.And then,the instantaneous value of voltage was processed statistically.The process stability of underwater wet manual arc welding was analyzed visually and evaluated quantitatively based on standard deviation(σU),the combination of frequency distribution of the D-value(H) between instantaneous value and mean value of arc voltage with stability exponential(W).The result shows that the stability of different welding process could be well identified,which is very theoretically meaningful as giving a new method for stability control for underwater welding process.
出处
《焊接学报》
EI
CAS
CSCD
北大核心
2013年第5期99-102,118,共4页
Transactions of The China Welding Institution
关键词
水下湿法焊条电弧焊
统计处理
焊接过程稳定性
underwater wet manual metal arc welding
statistical processing
welding process stability
