查询词典 friction ring

ABSTRACT Based on theoretical analysis of axial compression of ring-shape specimen between two flat dies by an upper-bound technique,it is possible to carry out the measurement of both the friction coefficient of lubricant and the basic flow stress of the ring material under particular temperature and strain rate.

摘 要 根据圆环压缩的连续速度场上限定理的理论分析，通过圆环试样压缩前后的几何尺寸的变化，能测量润滑剂的摩擦因数和圆环材料的流变应力。

Scene data indicate that in the process of actual making the casing into the Horizontal Well ,people used to reduce friction coefficient between the stratum and the Casing, Change the friction type between the casing and the wall,use special casing and centralizer with oriented ring, even join the slurry in the internal casing in order to increase self-casing, etc.

现场资料表明，在实际套管下入过程中，人们往往采用的是减小套管与井壁之间的摩擦系数、改变套管与井壁间的摩擦类型，使用带有导向环的套管和扶正器，甚至在套管内部加入泥浆，以增加套管自重等方法，但这些方法并没有改变套管下入驱动力减少的现实，不能从根本上解决套管下入困难的问题。

In this paper, the friction mechanism of engine piston ring / cylinder friction system was reserched.

本论文对发动机的活塞环／汽缸套这对摩擦副进行摩擦机理研究。

Rhode S M A mixed friction model for dynamically loaded contacts with application to piston ring lubrication Friction and Traction,westbury house , 1979,null

张移山%孔宪梅%陈大融关于内燃机缸套与活塞环磨合过程的数学模型机械科学与技术， 1997，01

The Metal seated butterfly valve adopts a double eccentric structure and a inclined cone seal. The seal-ring can be separated once open the disk, and the valve can be sealed once the seal-ring contacts the disk. This structure can decrease the friction torque when the butterfly valve opens and closes, and expanded the life time, and make opening and closing easily.

斜锥面金属密封蝶阀设计采用了一个双偏心和一个特殊斜锥椭圆密封结构，实现蝶板在开启瞬间密封面即分离，关闭接触即密封的效果，这种密封结构实现启闭无机械滑动摩擦，大大延长了密封件的使用寿命，并且达到启闭轻松自如目的，且具有密封自动补偿功能。

On the basis of experimental data, the character of the friction process between piston ring and cylinder and the factors which affect the friction process and power loss of piston and cylinder have been studied. These factors include the load and the material.

通过试验，对试验数据进行分析和有关计算，研究了活塞环-缸套的摩擦过程特性以及影响摩擦过程的一些因素，此外还对摩擦功耗进行了分析。

The friction between pistonring and cylinder is the primary factor of engines power loss. So, it is much meaningful to cut down the friction between piston ring and cylinder.

活塞环与缸套间的摩擦功率损失是整个内燃机功率损失的重要部分，降低摩擦功耗，提高内燃机效率有重要意义。

In addition, virtually everything possible has been done to the engine to reduce friction, including an offset crankshaft/connecting rod design, plateau honing of the cylinders for a smoother surface and a second low friction piston ring.

此外，几乎所有可能已经做了引擎，以减少摩擦，包括偏移曲轴/连杆的设计，一个光滑的表面和第二低摩擦高原活塞环珩磨的气瓶。

The results show that metal wear-self-repairing additive has excellent friction-reducing effect on cylinder-piston ring friction pairs and auto-repairing effect on cylinder inner surface.

研究结果表明，金属磨损自修复剂对缸套-活塞环摩擦副具有良好的减磨效果，可自动修复缸套表面。

The effect of the friction between rolls and ring can be ignored and the effect of the spread velocity of rolling on the deformation of ring is illustrated.

通过模拟分析比较，揭示出了环件轧制过程中的金属流动规律：轧制时，环件外侧的变形最大，厚向中心部位变形最小，内侧的变形程度介于中间；环件内外环面的压应力分布和变化规律：在垂直于环件轴线的对称面上，压应力分布近似对称状态，而且在对称面上的应力最大，往端面方向开始减小；指出了环件轧制中轧辊与环件摩擦对环件成形的影响：对于环件的宽展变形，摩擦的影响很小，可以忽略；分析了环件进给速度对环件成形的影响并阐述了环件厚向中心部位凹陷产生的原因，提出防止凹陷的措施：在轧制时，尽量使用快的进给速度有利于防止端面凹陷的产生；研究了导向辊位置对环件成形以及轧辊受力的影响：导向辊的位置对环件的宽展变形影响很小，但对轧辊的受力影响较大，当导向辊的中心位置位于毛坯初始中心位置之上时，驱动辊和芯辊的受力相对较小，这是导向辊导向时优先考虑的位置。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。