结构钢熔化极混合气体保护自动化焊接工艺研究与应用  

Process Research and Application of Structural Steel Metal Active Gas Auto-Welding

作　　者：余刚 宋洁 傅仁科 肖熙 Yu Gang;Song Jie;Fu Renke;Xiao Xi(AVIC Hongdu,Nanchang,Jiangxi,330096)

机构地区：[1]航空工业洪都,江西南昌330096

出　　处：《教练机》2021年第2期65-68,共4页Trainer

摘　　要：本文采用熔化极混合气体保护自动化焊接方式对20碳素结构钢进行了焊接试验,并对焊缝接头进行了目视和X光检查以及力学性能试验。通过试验分析得到了最佳的焊接工艺参数,接头的各项力学性能指标均高于相关航标要求的下限值,接头的焊缝质量和使用性能良好。该方法降低了零件的焊接应力与焊接变形,减轻了焊工的劳动强度,提高了零件的生产效率,还可推广应用于筒形件零件的焊接生产中。This paper describes a welding test on 20#carbon structural steel conducted as per metal active gas auto-welding,as well as visual,X-ray inspections and mechanical property test carried out for the weld line joint.On the basis of test analysis,the optimal welding process parameters are obtained,and each mechanical performance index of the joint is higher than the lower limit in related aviation standards,and the weld lines at the joint have superior quality and high performance.This method,lowering the welding stress and deformation of parts while reducing the labor intensity of welders,can not only improve the part-production efficiency,but also be popularized and applied in the welding production of cylindrical parts.

关 键 词：熔化极 混合气体 自动化焊接 工艺研究与应用 

分 类 号：TG409[金属学及工艺—焊接] V261.34[航空宇航科学与技术—航空宇航制造工程]