文档介绍：1 目 录 内容摘要····································································································2 一、 焊接气孔··························································································3 一 气孔的特点····················································································3 二 气孔的危害····················································································3 三 气孔的形成····················································································3 四 产生气孔的因素及防止措施························································4 二、 焊接飞溅··························································································5 一 焊接飞溅的特点与危害································································5 二 CO2气保焊产生飞溅的因素···························································5 三 减少飞溅的措施············································································6 三、 结束语····························································································6 四、 致谢································································································7 五、 参考文献························································································8 2 内容摘要 CO2气体保护焊是利用CO2作为保护气体的融化极气体保护焊方法简称为CO2焊。它是20世纪50年代初期发展起来的一种高效率、低成本的焊接技术。具有适用范围广、抗腐蚀能力强、便于监控且适用于大电流焊接等特点。采用该技术大大提高了焊接质量和生产效率比手工焊高36倍降低了成本和劳动强度改善了劳动条件取得了显著效果为生产施工发挥了巨大作用。因此CO2气保焊在推广应用中创造了良好的经济效益