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为什么氩弧焊焊接时出气泡

更新时间: 2020-10-09 00:00:00     

1、人的因素:焊工责任心不强,质量意识淡薄,未参加正规培训,无证操作,体力下降,眼睛昏花,操作失误等;

2、材料因素:氩气纯度小于99、95%,焊接材料或母材不合格,焊件坡口及母材表面10~15mm范围内没有清理干净;

3、环境因素:环境风速大于2m/s,管道内有穿堂风,风力大于氩气的保护作用力,气候潮湿,冬季材料表面有霜冻;

4、工具、设备:氩弧表(减压器、流量计)精度有误差,达不到使用数量值,而这个现象未引起焊工注意。

关键词: 为什么 焊接 气泡

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