spiral seam

In manufacturing the sample for tension test, submerged-arc welded ( SAW) spiral seam pipe is likely to have plastic deformation as opposed to the deformation in its forming process, thus causing the Bauschinger Effect.

螺旋缝埋弧焊管在拉伸试样的制作时会产生和焊管成型过程中变形相反的塑性变形，从而引发包申格效应。

The spiral pipe seam tracking system can enhance efficiency, optimize product quality and improve work conditions in the spiral pipe production.

螺旋管焊缝跟踪系统能够在螺旋管生产中提高效率、优化质量、改善劳动条件。

Discuss on Spiral Welded Pipe Peach-like Forming Seam Control

浅谈螺旋焊管成型缝桃形尖形状的控制

The research and development of robotized visual tracking system for detection of spiral seam in large diameter steel pipe

机器人化大直径钢管螺旋焊缝检测视觉跟踪系统的研究与开发

The author considers that to prevent the deformation and ensure the welding quality, to rationally determine the tapping location and avoid the holes upon the spiral seam is important.

采用灵活的方法，合理确定开孔位置，尽量避免将开口开在焊缝上，同时采用对称焊和间断焊法施焊，可以减小钢管挠曲变形，提高焊接质量。

Feasibility Analysis of Internal Detection Technology for Crack in Spiral Seam Pipeline

裂纹内检测技术应用于管道螺旋焊缝的可行性分析

The defects will be found in the seam side with ultrasonic inspection but hardly found with X ray inspection as the small diameter spiral pipe production with the split strip steel.

采用纵剪带钢生产小口径螺旋焊管时，超声波检验经常在焊缝的一侧发现缺陷波，而X射线拍片检验却很难发现。

This paper introduces the measure, welding method and inspection result to prevent the welding deformation formation of spiral-seam pipe header after tapping.

介绍了在螺旋焊缝汇管上焊接支管时的防变形措施、焊接方法和检验结果。

A Binding Method to Prevent Pipeline from Leaking at Spiral Seam

捆扎堵漏法在螺旋焊缝腐蚀泄漏中的应用