查询词典 sliding friction

The friction characteristics of polyurethane for the friction liner of hoisting were studied. It was found that the dynamic friction coefficient of polyurethane increases with sliding velocity in the range of 0.01 to 0.4 mm/s and decreases beyond 0.4 mm/s.

本文研究了聚氨酯弹性体摩擦衬垫材料的摩擦特性，发现聚氨酯弹性体材料的动摩擦系数是和滑动速度有关的，在0.01～0.4mm/s的速度范围内，速度提高摩擦系数上升，在更高的速度下摩擦系数还会下降。

Considering the effect of the angle of internal friction on the inclination of sliding plane of soils behind retaining wall, circular and catenary, the two shapes of minor principal stress arch are theoretically analyzed. According to the shapes of minor principal stress arch, the coefficients of earth pressure corresponding to different angle of internal friction and that of wall friction are gained.

为克服现有考虑土拱效应的土压力计算方法不能考虑墙土摩擦角变化对挡土墙后土体滑裂面的影响的不足，考虑墙土摩擦角变化对挡土墙后上体滑裂面倾角的影响，对圆弧和悬链线两种拱形分别进行了分析，并与现有方法计算结果进行了比较。

The characteristics of temperature field of sliding surface have been studied in the set-out stage of large highspeed rockslide, computed the depth of heat conduction by highspeed friction, furthermore, analyzed the vaporization of pore water in the sliding zone.

详细地研究了大型高速岩质滑坡启程活动阶段滑面瞬态温度场的变化规律，导出了滑面温度变化的方程式，计算了头寨滑坡启程活动阶段由于强烈地高速摩擦产生热量的传导深度，进一步对头寨滑坡启程活动阶段滑带孔隙水汽化效应进行了研究。

The basic design concept of spherical sliding isolators originates from the simple pendulum motion and the friction energy dissipation through sliding.

中文摘要：球面摩擦型隔震器的主要设计观念系来自於钟摆原理以及摩擦消能。

Based on finite element theory, the contact problem of sliding block was studied with the application of Stribeck friction model, and the stress and displacement distribution of sliding block were obtained.

以干摩擦滑块模型为对象，基于有限元理论研究了Stribeck摩擦条件下的准静态单边接触问题，探讨了Stribeck摩擦对接触求解的影响。

Main innovation and study achievements are described as follows:(1) A set of friction noise testing system was set up on the pin-on tester. In the process of friction testing in which the TRIP steel with transformation characteristics is continuously sliding in unilateralism, variety rule of the friction noise intensity was studied.

本文的主要创新和研究成果体现在以下方面：(1)在销盘摩擦磨损试验机上建立了一套摩擦噪声测试系统，研究了具有相变特征的TRIP钢在单向连续滑动的摩擦试验过程中，摩擦噪声的强度的变化规律。

In the paper, the friction coefficient of the friction pairs of Al2O3 matrix ceramic/45# steel during sliding experiments were studied, and the worn trace's micrographs of Al2O3 matrix ceramic were observed and analyzed, and the wear mechanism of Al2O3 matrix ceramic in dry friction and oil Iubrication were analyzed.

摘 要：本文对Al2O3基陶瓷材料/45#钢摩擦副的摩擦系数与45#钢/45#钢的摩擦系数作了对比滑动摩擦试验研究，观测分析了Al2O3基陶瓷材料磨痕形貌，并就干摩擦，油润滑状态下Al2O3基陶瓷材料的磨损机理进行了分析。

The frictional heat energy was concentrated on the thermal effect layer with the thickness of 4 mm, The temperature gradient of contact surface is the highest, and decreased rapidly with the radius direction of the lining's groove. The temperature gradient and TEL's thickness increased with the increasing of the sliding speed. The temperature decreased rapidly with the radius direction and also with the increasing of center angle of the lining's groove. The sliding speed and distance are obtained under two sliding conditions when the lining fails, which supply the theoretical basis with the antislip design of friction hoist.

摩擦热量集中在热影响表面层，其厚度仅为4mm，接触表面温度梯度最大，沿绳槽径向迅速减小；温度梯度和热影响表面层厚度随相对滑速的增大而增大；衬垫温度沿径向急剧降低且随圆心角增大而减小；并得到了2种滑动工况下衬垫失效时的相对滑速和滑动距离，为摩擦提升防滑设计提供理论依据。

Under heavy load and high temperature conditions, the nanoparticles are flatted between two friction surfaces and form a sliding system which makes the friction surface more flat to reduce the friction factor and the wear value.

在重载和高温条件下，纳米粒子平铺在摩擦面之间形成滑动摩擦层，以降低摩擦表面的摩擦因数和磨斑直径。

The numerical results show that: the stress distribution on contact surface is relative to the relative velocity of sliding block and friction coefficient, and the maximum relative error of stress can be 100.08%. The non-linear Stribeck friction model can better describe the real situation of contact surface, because of the consideration of impact of the relative velocity to the friction.

研究结果表明：随着接触体相对速度的改变，摩擦因数相应变化，接触面上的应力与位移的分布随之改变，应力最大相对误差达100.08%；Stribeck模型考虑了速度对摩擦因数的影响，更能描述接触的真实情况。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。