But with the same length of straight seam pipe than the weld length of 30 ~ 100%, and lower production rate.
但是与相同长度的直缝管相比，焊缝长度增加30 ~ 100%，而且生产速度较低。
Aimed at spirally welded steel pipe, a visual sensor for automatic weld seam tracking system is developed.
针对螺旋埋弧焊钢管外焊，研制了一种基于视觉传感的焊缝自动跟踪系统。
It analyses quadratic phase stainless and its metal compound generated from weld seam and HAZ, which affect welded pipe usage property.
分析了双相不锈钢及其焊缝和热影响区中产生的金属间化合物等二次相对焊管使用性能的影响。
This paper discusses the reason of scratch in the weld seam border of large OD. welded steel pipe, and analyses the method to reduce it.
讨论了大直径焊管焊缝边缘引起划痕的原因，分析减少焊缝边缘划痕的方法。
Notethe coating thickness of weld seam should be not less than 80% of coating thickness on pipe body.
焊缝处的防腐层厚度，不得低于管本体防腐层规定厚度的80%。
The spiral welded pipe weld seam probe frame has the benefits that: (1) the flexible spindle is adopted, so that a probe and a weld seam can be fully closed, so as to reduce error;
本发明的有益效果是：1）采用柔性主轴，使探头和焊缝能保证完全弥合，减少误差；
The spiral welded pipe weld seam probe frame has the benefits that: (1) the flexible spindle is adopted, so that a probe and a weld seam can be fully closed, so as to reduce error;
本发明的有益效果是：1）采用柔性主轴，使探头和焊缝能保证完全弥合，减少误差；
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