论文部分内容阅读
介绍了钻铤钢管的结构特点、焊接修复的意义,以及窄间隙焊接工艺与设备。其内容有焊接方案及焊丝的选择、焊接设备及焊枪的研制以及对工艺技术问题的分析和解决措施。
The structural characteristics of the drill collar steel pipe, the meaning of the welding repair, and the narrow gap welding process and equipment are introduced. The content of the welding program and the choice of welding wire, welding equipment and welding torch development and technical problems analysis and solutions.