It realized digital of nondestructive testing for spiral welded pipe.
实现了螺旋焊管无损检测的数字化。
For the main defects which affect spiral welded pipe quality, the material plate quality effect to strict specification pipe production is discussed, and the solving method is proposed.
针对影响螺旋焊管质量的几个主要缺陷，论述了原料带钢质量对生产高标准焊管的影响，并提出了解决方案。
During the Spiral welded pipe production, the main reasons of manual bend caused in strip steel are unusual aline of strip steel in strip steel connection weld process.
在螺旋焊管生产过程中，钢带产生人为硬弯的主要原因是对头焊工序中钢带不能对齐所致。
Having been practiced for several years, a new butt method for spiral welded pipe, the two spots tack-weld butt was made out.
通过几年来的实践，摸索总结出了一种螺旋焊管对接新方法——两点点固对接法。
This paper introduces two methods of nondestructive testing mechanism for controlling strip shear knife quality in spiral welded pipe.
简述了控制螺旋焊管钢带剪刃质量的两种无损探伤方法的探伤机理。
To main reason for produced cracks is analyzed and effective solving measure is raised. It has certain direction significance for production of spiral welded pipe with small forming angle.
对导致裂纹的主要原因进行了分析，提出了行之有效的解决措施，对小口径螺旋焊管的生产具有一定的指导意义。
The spiral pipe conveyor is welded with a continuous spiral blade in the cylindrical shell.
螺旋管输送机是在圆筒形机壳内焊有连续的螺旋叶片，机壳与螺旋叶片一起转动。
Some parameters, such as perimeter, diameter, is very important to quality of spiral welded pipe.
螺旋管的周长、直径等参数对于螺旋管的质量非常重要。
Spiral welded pipe is a strip coil as raw material, often warm extrusion molding, to automatically double-wire submerged arc welding process double-sided spiral welded pipe joints.
螺旋焊管是以带钢卷板为原材料，经常温挤压成型，以自动双丝双面埋弧焊工艺焊接而成的螺旋缝钢管。
Inside weld produced cracks are often faced problem by adopting wide coil with small forming Angle to produce small size spiral submerged welded pipe.
采用宽板小成型角生产小口径螺旋缝埋弧焊钢管时，内焊缝产生裂纹是经常遇到的问题。
If it used this circumference automatic control system, the spiral welded pipe diameter could be controlled automatically.
若采用螺旋焊管周长自动控制系统可以实现自动化控制螺旋焊管的直径。
The setting parameters of the three-roll bending plate internally -sup porting spiral welded pipe mill are critical for ensuring satisfactory and consistent quality of the welded pipe formation.
三辊弯板内承式螺旋焊管机组调型参数是保证焊管成型质量及其稳定性的一个重要因素。
Inside welding seam cracking of spiral submerged Arc welded pipe is the unsolved problem for many years in the pipe field.
螺旋埋弧焊钢管内焊缝裂纹是本行业多年未解决的问题。
To adopt milling machines to prepare strip edges and groove to give good condition for forming and welding of spiral submerged arc-welded pipe.
在螺旋焊管生产中采用铣边机铣削带钢边缘和坡口，为螺旋焊管成形、焊接创造了有利的条件。
It will produce magnetic field due to affection by direct current welding power supply during the welding of spiral submerged arc welded pipe. It will still remain residual magnetic.
螺旋埋弧焊钢管焊接过程中因直流焊接电源的影响会产生磁场，焊接结束后仍有剩磁存在。
The residual stress imposes considerable negative influence on quality of the spiral welded pipe.
残余应力对螺旋焊管质量有显著影响。
The results of batch manufacture grade X80 spiral and longitudinal submerged arc welded pipe all meet the pipe technical conations required by"Grade X80 Pipeline Steel Pipe Application Project";
X80钢螺旋缝和直缝埋弧焊管的批量试制结果全部符合“X80级管线钢管应用工程”钢管技术条件的要求；
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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