Based on the analysis of the conventional oval pass design of a stretch reducing mill and the design provided by W.
在对张减机椭圆孔型传统设计方法和西德所提供的设计方法分析的基础上。
Materials, structure, roll pass machining, installation and cooling of cemented carbide roll rings in stretch reducing mill are introduced.
介绍了钢管张力减径机上所使用的硬质合金轧辊的材料、结构、孔型的加工和安装及冷却。
The PIC tube is made of long, internally deburred electrical weld tube or seamless steel tube by means of induction heating, stretch reducing and hot coiling.
管采用长的去除内毛刺的电焊管或无缝管作为坯管，经感应加热后进行张力减径，然后热卷曲成卷。
The paper analyzed the causes of roll displacement on mini-stretch reducing mill and the influences of displacement on external-surface quality of steel pipe.
分析了微张力减径机轧辊位移的产生原因以及对钢管外表面质量的影响。
Two drive types are used for the slight-stretch reducing mill, namely the individual drive (for each individual roll stand) and the centralized differential drive.
微张力减径机有单独传动(各机架)和集中差速传动两种传动形式。
The adaptive feedforward control technology, which is implemented in the stretch reducing process of seamless pipe wall thickness at Baosteel Tubing Plant, is introduced.
介绍了宝钢分公司钢管厂在无缝钢管张减过程壁厚控制中实现的前馈自适应控制技术。
The paper gives a description to the electric resistance welding and stretch reducing mill process (ERW/SRM) in steel pipe production and the features of its main equipments.
介绍了用焊接和热减径工艺生产钢管的ERW/SRM 生产线及其主要的工艺设备特点。
The paper analyzed and compared some kinds of gearing modeling of stretch-reducing of tubes.
文章介绍了张力减径机的几种传动方式，并对其进行了分析与比较。
Based on the characteristics of tube stretch-reducing process, the elastic FE calculation program is prepared by means of the constituent element modeling technique.
根据张力减径过程的变形特点，采用组元建模技术，编写了弹塑性有限元计算程序。
During the process of reducing, in case of constant diameter reduction, the major elements responsible for tube wall increase are the rolling temperature and the stretch factor, etc.
钢管在减径过程中，减径量一定时，影响其增壁量的主要因素是钢管的轧制温度和张力系数等。
Conclusion WGFS has the effects of negative frequency named restraining cardiac muscle contraction and stretch function, and reducing rhythum of the heart and blood pressure.
结论：山参果汁总皂苷具有负性肌力和负性频率作用，即抑制心肌收缩和舒张功能，减慢心率、降低动脉血压。
After unloading and resiling, the curvature radius of CT decreases monotonously along with stretch increasing. As a result, stretch is helpful to reducing resilience.
在“拉弯”作用的情况下，卸载回弹后的曲率半径随着拉力的增大而单调减小，因此拉力的作用有助于减小回弹。
After unloading and resiling, the curvature radius of CT decreases monotonously along with stretch increasing. As a result, stretch is helpful to reducing resilience.
在“拉弯”作用的情况下，卸载回弹后的曲率半径随着拉力的增大而单调减小，因此拉力的作用有助于减小回弹。
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