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Apart from these, another conclusion was drown by the author that the increase of surface energy due to the deformation after the adhesion shearing at the asperities and the viscoelasticity of polymer films is the main reason why the friction coefficients of polymer films vary with the sliding speed.

还有一条重要研究结果是,作者认为,由于聚合物薄膜受摩擦作用而发生变形以及由于聚合物的粘弹性造成变形回复的滞后而造成聚合物表面能的增大,是聚合物摩擦副的摩擦系数随相对滑动速度的变化而变化的根本内因。

On the test machine of glue,using three groups of 45 steel-40Cr disc test examples with clifferent hardness, the gear abrasion simulant experiment has been done about addendum, dedendum dividing point of single and double engagemenf area.

用三组不同硬度的45钢-40Cr的圆盘试件,在圆盘滚子实验机上,对渐开线齿轮的齿顶、齿根、单双齿啮合分界点四点进行齿轮磨损的模拟实验。分析了材料副的硬度和配对试件的绝对滑差速度对磨损的影响。

The method connects the exponentially attenuating dividable auto-correlation function which is often used in the study of the lubricating behaviors of rough surfaces, to the theoretical model for studying the contact behaviors of rough surfaces and it will be a foundation for studying the lubrication and failure problems of sliding frictional pairs with anisotropic surfaces.

第三章对Onions-Archard的理论接触模型进行扩展,给出了计算各向异性粗糙表面接触性能的简便方法,并将粗糙表面润滑效应研究中常用的表征粗糙表面的指数衰减可分自相关函数和粗糙表面接触性能研究的理论模型联系了起来,为研究混合润滑工况下各向异性粗糙表面摩擦副的润滑和失效问题提供了基础。

The hydrostatic bearing technology is an efficient way to solve the wear if the material is fixed.

摩擦副的工作状况是水压泵设计中的关键,对泵的性能和寿命有着重要的影响。

Based on the equations, a new method for the geometrical design of hypoid gears is presented.

在这组方程的基础上,提出了一种几何设计的新方法,以大轮的节锥角和节圆半径以及小轮的螺旋角这三个参数为自由变量,以准双曲面齿轮副的偏置角为中间变量,用数值求解方法能够非常方便可靠地确定节锥的参数。

The Ti_3SiC_2-SiC multiphase ceramic were fabricated by in situ synthesis under hot isostatic pressing.The examinations indicate that,the dominant wear mechanisms change with load increasing under unlubricated conditions,it is main abrasive wear under low load,and it is main adhesion wear under high load.Lubricating oil improves the friction coefficient and wear rate of Ti_3Si...

结果表明:干摩擦条件下随载荷的变化,占主导地位的磨损机制将发生变化,在低载荷下以磨粒磨损为主,高载荷下以粘着磨损为主;同干摩擦相比,润滑油对摩擦副的摩擦磨损性能的改善均很显著;Ti3SiC2/SiC复相陶瓷的磨损主要由粘着和微断裂引起的。

Based on the fact that during the forming of lubricating film, entraining effect is plays a leading role while squeezing effect only has a minor, suggestions on designment of cam-tappet pair and selection of lubrication oil are presented.

针对油膜的建立过程中卷吸效应为主、挤压效应为辅的状况,对凸轮-挺柱润滑副的设计及车用润滑油的选择提出了建议。

Utilizing the extremum theory of function to obtain the minimum radius of curvature of theoretical profile, and factors that affecting the minimum radius of curvature were discussed, thus provided theoretical basis for the studies of the continuous contact transmission of swinging movable teethed central gear meshing pair, contact stress and meshing stiffness etc..

利用函数极值理论得到理论廓线的最小曲率半径,讨论了最小曲率半径的影响因素。为摆动活齿中心轮啮合副的连续接触传动、接触应力和啮合刚度等的研究提供了理论基础。

This paper takes account of the several factors including the contour curve of cam,the accuracy of motion, structure size and the time of normal work of cam mechanism by discussing the relationship between the roller radius and contour curve ,the touch-stress between the roller and cam, the thickness of lubricant film.

以凸轮机构的凸轮轮廓曲线、运动的准确性以及结构尺寸和寿命为考虑因素,讨论了凸轮机构从动件滚子的半径与轮廓曲线、凸轮高副的接触应力以及润滑油膜厚度等的关系,提出了滚子半径的选择原则。

The experimental results indicate that friction coefficient of the Cu-MoS2 powder met...

研究结果表明:在有电流条件下,加入MoS2可显著降低铜基粉末冶金/铬青铜配副的摩擦因数和铜基粉末冶金材料磨损率,10%和20%MoS2含量的粉末冶金试样的磨损率相差不显著,20%MoS2含量的摩擦因数在高速时有所增加。

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If you have any questions, you can contact me anytime.

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