point contact

Analysis and calculation of Minimum Allowance of Three Point and Four Point Contact Ball Bearing Raceway

三点四点接触球轴承沟道最小余量的分析与计算

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Utilizing the theory of differential geometry, elastic deformation and wear abrasion and running-up of the tooth surfaces in circular arc gears, an elastohydrodynamic lubrication ( EHL) model of point contact with two-dimensional surface velocities was developed.

从圆弧齿轮齿面微分几何分析、弹性接触变形和跑合磨损分析，建立了具有二维表面速度的点接触弹流基本模型。

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Based on the analysis of a large numerical examples, pressure spike amplitude equation and hertz center pressure formula of heavy loaded point contact elastohydrodynamic lubrication are fitted out by the least squares data fitting method.

在分析大量数值算例的基础上，利用最小二乘法拟合出了重载点接触弹流的二次压力峰公式和赫兹中心压力公式。

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This paper investigates forces applied on port plate surface of point contact axial piston motor, and introduces a solution of the problem of additional tilting moment of the cylinder body caused by applied force not on supporting point.

本文通过研究点接触式轴向柱塞马达配流面的受力情况，介绍了运用静压平衡理论设计平衡油室的办法，解决缸体上存在的由于作用不在支承点上所造成的附加倾复力矩的问题。

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A further research on the third order contact analysis of point contact surfaces

点啮合齿面三阶接触分析的进一步探讨&V/H检验法的理论

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The old tool carriage with point contact crop appearance for steel pipes is not suitable to cut the oblique end face on pipes because of tool edge bluntness and lower tool service life.

传统的钢管平头方式&点接触平头方式设计的刀盘，对于切斜的管端面很不适应，易打钝刃口，降低刀具使用寿命；

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This paper describes the performance test, contact fatigue strength test and bending fatigue strength test on the gear reducer of involute point contact Ferrographical analysis is made.

本文对渐开线点啮合齿轮减速器进行了性能试验、接触疲劳强度和弯曲疲劳强度试验，同时还进行了铁谱分析。

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VT breakdown reasons and treatment methods of neutral point contact gap of GIS

GIS中电压互感器中性点接地间隙击穿原因及处理方法

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The geometrical relation of three and four point contact ball bearing

三点四点接触角接触球轴承的几何关系

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Biomechanical performance of point contact-dynamic compression plate and its influence on bone blood circulation

点式接触动力加压接骨板的生物力学性能和对骨血循环的影响

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The general electroplating CBN honer surface is point contact engagement with the gear surface in the process of cutting, thus the cutting efficiency is low and the CBN abrasive is wasted.

珩齿加工过程中，普通电镀CBN珩磨轮的齿面与被加工齿轮齿面是点接触啮合，因而加工效率低且造成CBN磨粒的浪费。

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SRT-03 rotary tables fitted with precision four point contact preloaded ball bearings.

SRT-03旋转平台配备有精确的四点接触预装滚珠轴承.

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Three Dimension Finite Element Analysis and Biomechanical Study of the Point Contact Locking Plate System

点接触锁定接骨板系统的三维有限元分析及生物力学研究

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Based on point contact model of the inflatable rubber tires, the tire has been simplified. That are deduced included the radial force of the wheel, damping force, side force, self aligning torque ( SAT) and moment produced by yaw.

基于充气橡胶轮胎点接触模型，对轮胎进行了简化，并推导了跨座式单轨车辆各轮对的径向力、阻尼力、侧偏力和回正力矩以及走行轮的摇头力矩。

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Quick-point grinding is a new type of high and super-high speed grinding process with a point contact zone and lower grinding power, and the edge effect of the air barrier is weakened because of the thin super abrasives grinding wheel.

快速点磨削是一种新型高速/超高速磨削技术，接触区很小，实际磨削功率低，冷却及散热效果好。

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Effects of point contact-dynamic compression plate on cortical bone blood flow in adult goats

新型点式接触动力加压接骨板固定对羊完整胫骨皮质骨血流量的影响

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Biomechanical research on new type point contact locking compression plate with osteoporotic comminuted radial fracture model

点接触锁定加压接骨板固定骨质疏松粉碎性桡骨骨折的生物力学特性

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A theoretical analysis of asperity contact is conducted for rolling point contact under oil lubrication condition.

对油润滑条件下椭圆接触滚动表面的粗糙峰接触作了理论分析。

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Study on Computing Contact Point of Point contact Teeth in Different Coordinate System

点接触齿面取不同坐标系求解过程的研究

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The results show that the point contact and line contact friction coefficients of the steel-steel pairs take on declining trend with increasing the test load under dry lubrication.

结果表明，在试验范围内，随着试验负荷的增大，钢-钢摩擦副在干摩擦条件下线接触摩擦因数和点接触摩擦因数呈逐渐下降的趋势，这种下降趋势在线接触时尤为明显；

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This new three-node element, which is called sliding cable element, can simulate the cable sliding under a pulley by point contact, and it simplifies computations by automatically adjusting the cable segments on each side of the pulley.

被称为滑移索单元的新单元有三个节点，以点接触的形式模拟索从下方绕过滑轮，它可以通过自动调整两侧索段的长度而使单元处于平衡状态，从而简化了计算。

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Take the example of three point contact ball bearing applied on the spindle of advanced aircraft engine, its dn value and work temperature are very high, often causing the contact thermal failures.

如先进航空发动机主轴采用的三点接触球轴承，其dn值和工作温度非常高，经常造成摩擦副发生热失效。

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To determine the mechanical properties ( stiffness) and compression force of a new design of point contact plate, with the ability of dynamic compression for reducing the gap at the fracture site and enhancing the stability.

目的：研制一种可对骨折断端动力加压的点状接触接骨板，对其加压特性及固定的力学稳定性进行评价。

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It is different from under point contact that there is no stick area under line contact in the partial slip regime, and load distribution within line contact area is uneven due to roughness of surface.

磨痕分析表明，承载区域接触不均匀，存在虚接触区域，其大小与表面粗糙度有关，而接触区域没有不磨损的粘着区，不同于点接触形式。

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Quantum measurement of single electron state by a quantum point contact

量子点接触对单电子量子态的量子测量

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To do It'successfully, you have to have what's called two point contact.

这样做成功, 你必须有什么所谓的二点接触.

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The oil film characteristics of full film point contact thermal EHL and the modified thermal formula of minimum film thickness

全膜点接触热弹流的油膜特性及最小膜厚热修正公式

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An experimental study of the conical cylinder point contact plate on cortical microcirculation

锥状点式接触钢板内固定对局部皮质骨微循环影响的实验研究

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While traditional internal fixation technique is reform, the design of the plate is also improved. The concept of limited contact plate and point contact plate was introduced.

对传统内固定技术改革的同时，传统接骨板也进行了相应的改进，先后出现了有限接触、点式接触接骨板。

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Experimental Research of Sliding Friction Coefficient of Rough Surface under Lubricated Point Contact

润滑点接触粗糙表面滑动摩擦因数的实验研究

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