飞锯是直缝焊管生产线上的关键设备之一。
The flying sawing machine is one of the key units of the straight welded pipe production line.
直缝焊管；图像处理；图形识别；机器视觉；椭圆。
LSAW pipe; Image processing; Pattern recognition; Machine vision; Ellipse.
公司现拥有六条高频直缝焊管机组，三条热镀锌生产线。
The company now has six high-frequency straight seam welded pipe units, three hot-dip galvanizing line.
套是高频直缝焊管生产线和冷弯型钢生产线中的储料装置。
The accumulator is a strip storing unit in the longitudinally welded pipe and formed section production.
目前，国内带有立辊组的直缝焊管成型机大都采用双半径孔型。
The double radius hole type was commonly adopted for the forming machine of straight weld pipe with vertical roller in domestic present.
它是现代高频直缝焊管生产线和冷弯型钢生产线的主要设备之一。
It's one of the main machines in the modern pipe mill line and formed section line.
介绍了一种快速分析高频直缝焊管焊接质量的方法——酸洗试验。
The rapid analysis method of welding quality, acid washing test, for the longitudinally high frequency welded pipe is introduced.
在高频直缝焊管生产过程中，焊接温度是影响焊缝质量的首要因素。
Welding temperature is the most important factor which influences the quality of the welded seam in the process of producing ERW pipe.
为满足市场对复合管的需求，对于我国直缝焊管机组改造有借鉴作用。
Furthermore, to meet the needs from market, it is helpful to reconstruct the existing longitudinally welded tubing mill in our country.
在现代的直缝焊管生产中，轧辊与管坯间的接触压力分布是一个非常重要的参数。
During the modern longitudinal seam welded pipe production, the contacting pressure distribution between the roller and pipe is a very important parameter.
从理论和实践方面论证了成组技术在高频直缝焊管生产中应用的必然性、可行性。
The inevitability and feasibility of application of the grouping technique to production bf hi-frequency welded tubes are discussed from both theoretic and practical point of views.
当前一些直缝焊管机组所配备的垂直进锯型飞锯因易造成切断端面严重变形，不适合锯切正位生产的方矩型类管材。
The vertical feed fly saw, equiped on most straight welding pipe sets, can not be suitable to cut square shaped pipes because of serious deformation on the cut face.
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 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.
X级管线钢板材是生产直缝埋弧焊管的主要原材料。
The X grace steel sheet is used as main material for SAW straight weld pipes for pipe line purpose.
根据国内管道建设的需要，建议尽早引进一条直缝埋弧焊管机组。
According to the domestic pipeline construction demand to the pipe, it is proposed to import a longitudinal seam SAW steel pipe mill as early as possible.
直缝埋弧焊管焊后残余应力是导致焊管应力腐蚀裂纹产生的主要原因。
Residual stress of longitudinal submerged arc welded pipe after welding is the major reason caused welded pipe stress corrosion crack, its stress level directly decide pipeline safety in service.
直缝埋弧焊管是长距离输送石油、天然气的主要管线产品，钢管由厚钢板压制成形。
LSAW pipes, made by thick steel plates through compacting, are main pipeline products for long-distance transportation of oil, natural gas.
宝钢开发以热连轧方式生产用于制造直缝埋弧焊管的海底管线用x 65级管线钢板，其产品具有高强度、高韧性和良好的焊接性等综合性能。
The grade X65 pipeline steel used for LSAW submarine line pipe has been developed at Baosteel, which is produced by hot continuum rolling processing.
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 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 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";
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