论文部分内容阅读
本文分析了影响CO2气保焊质量的技术因素,指出了工艺参数设置不正确、焊接规范选择不正确、不良操作习惯等是影响焊接质量的主要原因,提出了加强焊工培训;控制焊丝伸出长度;选择适当的保护气体流量;选择适当的送丝轮压力;保证接地夹接触面积;焊接电缆、焊枪电缆的合理摆放;引弧和收弧方法;正确地设置焊接电流、焊接电压、送丝速度等关键参数;选择优质焊材等有效的应对措施,并给出了一些经验数据和可行的实施方案,在CO2气保焊焊工培训和实际应用中取得了良好的效果,对从事CO2气保焊培训和实际操作的人员有一定参考价值,有利于高效、节能的CO2气保焊的大面积推广应用。
This paper analyzes the technical factors that affect the quality of CO2 gas holdup welding, points out the improper setting of process parameters, improper selection of welding specifications and bad operation habit, which are the main reasons that affect the welding quality. ; Select the appropriate flow of shielding gas; select the appropriate wire wheel pressure; to ensure that the contact area of the grounding clip; welding cable, welding gun cable reasonable; arc and arc closing method; set the correct welding current, welding voltage, Speed and other key parameters; selection of high quality welding consumables and other effective measures, and gives some empirical data and feasible implementation of the program, in the CO2 gas welder training and practical application of good results, engaged in CO2 gas insurance Welding training and practical personnel have some reference value, is conducive to efficient, energy-saving CO2 gas welding large-scale promotion and application.