Mathematical analysis for the diameter tolerance of spiral welded pipe;
螺旋焊管直径公差的数学分析
Improvement upon the lubrication of forming rollers for spiral welded pipe;
螺旋焊管成型辊的润滑改进
In way of weld field,the article introduces application foreseeing of this technology,also discusses this technology application into 4 aspects:forming roller design and manufacturing,design of longitudinal welded pipe mill,the control of deform process and forming stress in longitudinal welded pipe in production,and the control of pipe residual stress in spiral welded pipe in production.
从焊管行业的角度介绍了虚拟制造技术在焊管生产领域的应用发展前景,探讨了该技术在成型辊设计与制造、直缝焊管机组的设计、直缝焊管生产中的变形过程和成型力的控制以及螺旋焊管生产中管体残余应力的控制等四个方面的应用。
Described in the article is the principle of producing the SSAW pipe with the low structural stress forming process with the externally-controlled forming mechanism.
介绍了在外控式成型器上采用低结构应力成型法生产螺旋焊管的机理,即在外控式成型器上采用预弯与定径对中装置,通过三辊弯板过量变形,利用定径套和焊垫辊的阻力,从而达到既获得标准的管径又使管壁残余应力降低的目的。
The Indian Iron and Steel R& D Center has researched out a kind of laser displacement inspection device for online inspecting steel pipe diameter and weld offset for the SSAW pipe factory of India RSP company which is an underling of Indian Iron and Steel Management Bureau.
印度钢铁研究与开发中心为印度钢铁管理局下属卢尔凯莱钢公司(RSP)的螺旋焊管厂研制出一种钢管直径和焊缝错边量在线激光位移检测装置。
At present,adopting Emission Spectrum to analyze chemical composition of SSAW pipe.
目前螺旋焊管化学成分分析一般采用发射光谱仪进行。
This article analyzes occurrence mechanism and reason of forming weld protruding of spiral submerged arc welded pipe and influence of peaking to protruding of steel pipe,and also put forward effective control method such as draw up the best process parameter,make steel plate edge shape norm,prebending steel plate edge to settle protruding problem.
分析了螺旋焊管制造过程中成型缝"噘嘴"现象产生的机理和原因,以及"噘嘴"现象对钢管质量的影响,并提出了制定最佳工艺参数、解决钢带钝边形状不合理、对钢带边缘进行预弯等解决"噘嘴"的有效控制方法。
In accordance with specialty of double wires welding process of inside welding for spiral submerged arc welded pipe,a set of internal welding double wires welding unit is developed.
根据螺旋焊管内焊双丝焊工艺的特殊性,研制了一套内焊双丝焊装置,该装置由焊丝对缝跟踪机构、焊臂支撑导向机构、送丝系统、调节机构及导电焊炬等组成。
In order to satisfy the urgent requirement of large diameter line pipe with high quality, a study was made on the process of spiral pipe end expanding by means of FEM numerical simulation and experiment.
3mm、长为500mm的埋弧螺旋焊管作为对象，在YD—315液压机上进行了扩径实验。
Based on the specialty of internal welding process of spiral pipes, a new intern al welding apparatus is developed for the spiral pipe welding.
由于螺旋焊管的内焊是在管坯内进行的,不便于观察且受管内空间位置的限制,因而内焊装置具有其特殊性。
It is introduced that the process appraise and test of helical welded pipe under higher welding speed and discussed the produced cause of maim quality problem-inside weld depression and undercut, etc.
介绍了在较高焊速下所进行的螺旋焊管工艺评定试验情况,并对提速后生产初期出现的主要质量问题——内焊缝凹陷、咬边等焊接缺陷产生的原因及控制措施进行了探讨,同时提出了进一步扩大提速空间的几点建议。
Through stress corrosion tests for reforming pre-cracked wedge-open loading specimens,the(da/dt) of X60 spiral welded pipe were gotten in 500 ppm and 1000 ppm H_2S solution.
通过改进的WOL预裂纹试样应力腐蚀试验,得到了在500,1000 ppm的硫化氢水溶液中,X60螺旋焊管的应力腐蚀裂纹扩展速率da/dt,结果表明,随硫化氢水溶液浓度的增加,X60螺旋缝埋弧焊管应力腐蚀裂纹扩展速率增加,焊管抗应力腐蚀的寿命越短。
Engineering Application Research on Welding X70 Spiral Sub-merged Welding Pipe;
X70螺旋焊管焊接的工程应用研究
The Strength and Loading Capacity of SSAW Pipe Welding Joint
螺旋焊管焊接接头的强度和承载能力
The Temperature Control System in HF Spiral Pipe Mill
高频螺旋焊管焊缝温度的闭环控制系统
Study on the X-Ray Real-time Digital Imaging System Used in Welding Line of the Spire Welded Pipe;
螺旋焊管焊缝X射线实时数字成像系统研究
Research on Intellectualized Control System for the Automatic Tracking of External Weld Seam of Spiral Weld Pipe;
螺旋焊管外焊缝自动跟踪智能控制系统研究
Analysis and Study on Residual Elastic Recovery of Spiral Welded Pipe(Part Ⅱ)
螺旋焊管残余弹复问题的分析与研究(下)
Analysis and Study on Residual Elastic Recovery of Spiral Welded Pipe(Part I)
螺旋焊管残余弹复问题的分析与研究(上)
Design of A New Type Concave-convex Guide Plate of Spiral Weld Pipe Plant
新型螺旋焊管生产用凹凸式导板的设计
high frequency welded spiral fin tube
高频焊接螺旋翅片管
Inside Weld Crack Analysis and Control of SSAW Pipe
螺旋埋弧焊管内焊缝裂纹分析与控制
Cause Analysis on Weld Brittleness of X80 Grade SSAW Pipe
X80级螺旋埋弧焊管焊缝脆化原因分析
Research on Strain Aging for X80 Grade HSAW Steel Pipe
X80级螺旋埋弧焊接钢管应变时效研究
Research on Thin-wall Spiral Weld Stainless Steel Pipe Manufacturing Technology
薄壁螺旋缝不锈钢焊管制造技术研究
Effects of the Manufacturing Process Stages on the Mechanical Properties for X80 Grade SSAW Steel Pipe
X80钢级螺旋焊钢管力学性能研究
Quality Evaluation of Spiral Seam Cold Bending Pipe of X70 Steel
X70钢螺旋焊缝冷弯管的质量评价
Generation and Elimination of Slag in Gas Pocket of Spiral Submerged Arc Welded Pipe
螺旋埋弧焊管焊缝夹珠型气孔的形成与消除
The Prediction of SSAW Pipe Weld Reinforcement Based on BP Neural Network
基于BP神经网络的螺旋埋弧焊管焊缝余高预测
Effect of Outside Welding Groove Angle on Weld Quality of X80 Grade SSAW Pipe
外焊坡口角度对X80级螺旋埋弧焊管焊缝质量的影响