The double radius hole type was commonly adopted for the forming machine of straight weld pipe with vertical roller in domestic present.
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。
During the modern longitudinal seam welded pipe production, the contacting pressure distribution between the roller and pipe is a very important parameter.
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。
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）。
The article introduces forming roller pass design principle, design process and calculating formula of each layer former roller parameter in ellipse pipe rolled by turks-head roll.
介绍了采用土耳其头轧制椭圆管的成型辊孔型设计原则、设计步骤以及各架次成型辊参数的计算公式。
A horizontal smoke pipe adopts a spring suspender and a central roller support, and the friction resistance generated by the thermal expansion the pipe when moving is reduced.
水平烟管采用弹簧吊、中心滚动支座，可减少管道热膨胀移动时的摩擦阻力；
A roller ultrasonic probe was designed in the subject, and it sends ultrasonic wave to detect the pipe wall's thickness.
研究过程中设计的超声波轮式探头，发出超声波信号测量管道壁厚。
Based on analysis of the characteristics of steel pipe roller die drawing process, the analytical equation for the drawing force during roller die drawing operation is derived.
分析了钢管辊拔的特征，推导出辊拔时辊拔力的解析式。
Also a simple and practical subsidiary roller table structure design case of the pipe pressure straightening machine is shown.
对压力矫直机进出料辅助辊道结构设计给出了一个简易实用的示例。
Extrusion roller, drive roller, guide rollers are wrapped by high grade seamless steel pipe and wear-resistant rubber (NBR).
挤压辊、传动辊、导辊为优质无缝钢管外包优质耐磨橡胶(丁晴胶)。
The paper involves an investigation into the new steel pipe manufacture technology of roller die drawing with the two-stand Y type three-high mill.
研究了利用二连式Y型三辊辊模拉拔钢管生产新技术。
The characteristics of pipe radiator heating scale-free roller furnace and quenching machine were mainly introduced.
重点介绍了辐射管加热无氧化辊底式炉和辊式淬火机的特点。
A main transmission connecting shaft for a three-roller continuous tube rolling mill relates to a production device of a seamless steel pipe.
一种用于三辊连轧管机的主传动接轴，涉及无缝钢管生产设备。
Old ladies will buy roller-skates and non-smokers will buy pipe-cleaners.
老太太会买四轮滑冰鞋，不抽烟的人会买烟斗通条。
Old ladies will buy roller-skates and non-smokers will buy pipe-cleaners.
老太太会买四轮滑冰鞋，不抽烟的人会买烟斗通条。
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