Hot cracks commonly occurred in inside weld as the forming process of SSAW pipe.
螺旋埋弧焊管在成型过程中容易产生内焊热裂纹。
This system was widely used in X-ray industrial TV inspection of SSAW pipe production line.
该系统在埋弧焊管生产线上的X光工业电视检测中已得到广泛应用。
The article introduces the working conditions of forming rollers for SSAW pipe unit and its function for pipe forming.
介绍了螺旋焊管机组成型辊的工作状况和在制管成型中的作用。
It is very important to mill strip edges during SSAW pipe production, which can directly effect work line continuous production.
螺旋埋弧焊管生产中,钢带剪边处理装置非常重要,直接影响机组的连续生产。
This article analyzes some kind of slag pour-out equipment of SSAW pipe, and points out the shortcoming and advantage of these equipment.
对国内几种螺旋埋弧焊钢管倒渣装置作了简单介绍分析,指出了这几种方式的优缺点。
The article introduces the design methods of contact roller of internal press roller of forming machine of SSAW pipe mill(experience formula design).
介绍了螺旋焊管成型器内压辊斜置小辊线接触辊型的设计方法(经验公式设计法)。
It also analyzed cause of familiar forming defects, put forward deserved notices to SSAW pipe forming technology regulation and equipment maintenance.
分析了常见成型缺陷产生的原因,指出了螺旋埋弧焊管成型技术中调整、维护时应注意的问题。
This paper studies the tensile properties of stripe and round bar specimens for high grade(API X65~X70) spiral submerged-arc welding(SSAW) steel pipes.
通过试验研究了X65、X70级螺旋埋弧焊钢管不同拉伸试样——板状试样和圆棒试样的拉伸性能。
This article introduced weld reinforcement importance to SSAW pipe, effect of weld reinforcement to weld mechanical property and to SSAW pipe anti-corrosion.
介绍了螺旋埋弧焊管焊缝余高的重要性、焊缝余高对焊缝力学性能的影响以及余高对螺旋埋弧焊管防腐的影响。
This article briefly introduced common methods adopted in SSAW pipe X-ray inspection, analyzed scattering line from the origin and its effect on X-ray quality.
简要介绍了螺旋埋弧焊钢管X射线检测通常采用的方法,分析了螺旋埋弧焊钢管拍片检测中的散射线来源及其对拍片质量的影响,给出了几种切实可行的散射线屏蔽方法。
Through analysis on inside weld forming and welding procedure of SSAW pipe, it pointed out weld crack is easy to appear in brittle temperature zone in welding pool.
通过对螺旋埋弧焊管内焊缝成型和焊接过程的分析,指出焊缝裂纹易产生在焊接熔池脆性温度区。
This article has described the hardware design of the computer control system for the welds geometry during the process of SSAW as well as its software development.
介绍了螺旋埋弧焊过程中焊缝几何形状计算机控制系统的硬件设计和软件实现方法,并对预测焊接工艺参数的专家系统进行了测试。
To the problem of more yield strength error in SSAW pipe transverse strip specimen tensile tests, analyze the reason of the error, put forward corresponding solving method.
针对螺旋埋弧焊钢管横向板状试样在拉伸试验时存在的屈服强度误差较大的问题,分析了其误差较大的原因,并提出了相应的解决办法。
During the manufacturing of SSAW pipe for Sudan pipeline, J557 electrode shall be applied as bottom weld materials according to the matched requirement of grade and strength.
在苏丹管线用螺旋埋弧焊管生产过程中,根据钢级及强度匹配要求,选用J557焊条作为打底焊材料。
The characteristic of pipe manufacturing technology and its unique heat-treatment pipe for pipeline for production units and processes of Russian LSAW pipes and SSAW pipes is introduced.
介绍了俄罗斯直缝埋弧焊钢管和螺旋缝埋弧焊钢管的生产设备和工艺等制管技术以及独特的热处理管线钢管的特点。
The edge milling process is widely used for manufacture of SSAW pipes. However, in case that proper control is not ensured, defects like welding misalignment or non-through-welding may be caused.
铣边工艺被广泛用于螺旋缝埋弧焊管生产,但控制不好会导致焊管出现焊偏、未焊透等缺陷。
Environment pollution problem generated by plasma cutting smoke and dust during SSAW pipe production process was analyzed; a kind of stable and reliable smoke and dust cleaning system was designed.
针对螺旋埋弧焊钢管生产中空气等离子切割烟尘对环境污染的问题,设计了一种工作稳定可靠的烟尘净化系统。
Environment pollution problem generated by plasma cutting smoke and dust during SSAW pipe production process was analyzed; a kind of stable and reliable smoke and dust cleaning system was designed.
针对螺旋埋弧焊钢管生产中空气等离子切割烟尘对环境污染的问题,设计了一种工作稳定可靠的烟尘净化系统。
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