锅筒环缝对接焊缝边缘偏差超标分析及对策

Analysis and countermeasures of overproof of the edge deviation of welding line in circular seam welding of boiler drum

针对形成锅筒环缝对接焊缝边缘偏差超的原因,提出应严格执行工艺操作规程,提高测量精度,合理分配装配尺寸链,采用合理的装配方法,加强和完善质量管理体系。

According to the reasons producing the overproof of the edge deviation of welding line in the circular seam welding of boiler drum, we should strictly carry out the regulation on technical operation, improve the accuracy of measurement, distribute assembly size chains reasonably, make use of reasonable assembly methods, and strengthen and perfect quality management system.