管45°对接药芯焊丝CO_2气体保护焊操作技术

The operation skill of flux-cored wire CO_2 shield welding in 45° pipe butt welding

药芯焊丝CO2气体保护焊综合了焊条电弧焊和普通熔化极气体保护焊的优点。药芯焊丝CO2气体保护焊的推广应用,必将极大地提高工程焊接质量及施工生产效率。各类焊工技能大赛无疑为提高焊工培训质量,加大技术交流,全面提高焊接技术人员及焊工的素质起到了很好的作用。结合焊工比赛实践,具体就药芯焊丝CO2气体保护焊—管45°对接焊(φ159mm×8mm)项目,对技能培训中的焊前准备、焊接特点、焊接工艺参数、操作技术要领、焊后检验、典型缺陷预防等方面作了介绍。

Flux-cored wire CO2 shield welding have all the advantages of both stick welding and solid wire MIG welding,the wide using of this welding method will consequentially improve the welding quality and productivity evidently.So all kinds of welder operation match are the useful ways.They will rapidly improve the training quality,increase technical communication and improve the skill of welders and welding engineers.This article is based on the practice of welding operation ,introduces the operation skill of fluxcored wire CO2 shield welding in 45°（Ф159 mm×8 mm） pipe butt welding, especially introduces pre-welding,welding characteristic, welding parameters ,operation skill ,weld test and the way of preventing typical weld defect etc.