查询词典 rolling friction

The rolling friction coefficient,elastic resilience and ultimate strength of the three kinds of roller s are researched.

对3种材料制作的滚轴的滚动摩擦系数、弹性恢复力和极限强度进行了试验，并对3种滚轴的隔振效果进行了计算机模拟分析。

First of all, we should be familiar with the mechanical mouse click it works: by moving the mouse to bring rubber ball, plastic ball and rolling friction in charge of the mouse with horizontal and vertical directions of the gate roller wheel, drive wheel rotation gate.

首先，我们应该熟悉一下机械鼠标的工作原理：通过移动鼠标，带动胶球，胶球滚动又磨擦鼠标内分管水平和垂直两个方向的栅轮滚轴，驱动栅轮转动。

In addition, this paper has also studied some other problems related to the spherical robot, such as, smooth time-variable controller to nonholonomic system, mechanism of rolling friction, and so on.

另外，本文还对非完整系统的光滑时变控制器设计方法和滚动摩阻的作用机理等相关问题进行相应的理论分析和研究。

It provides the testing program of planar bearing rolling friction .

给出了平面轴承滚动摩擦试验方案。

The paper also analyzes the problems of a number of a typical round of pure rolling friction suffers static direction of the issues identified.

对若干典型的纯滚动轮所受静摩擦力方向确定的问题进行分析。

By reducing the rolling friction and thermal expansion, SBC linear guides can maintain repeatability for long periodsof time.

通过减小滚动摩擦和热膨胀，SBC直线导轨可以实现长时间的重复运转。

Coefficient of rolling friction in building′s integer shift is an important factor about safety and economy, and there are some construction experience and interior experiment about this, but few locate experiment.

摘要］在建筑物整体移位工程中，滚轮的滚动摩擦系数是一个关键的影响因素，虽然目前已有一些施工经验值和实验室模型实测值，但是在实际施工过程中对该值的测定却很少。

The rolling friction coefficient between roller and track is an important parameter in building monolithic moving engineering .

滚轴滚动摩擦系数是建筑物整体迁移工程水平动力计算的重要参数，在钢管混凝土滚轴与钢板的滚动摩擦试验中，测得滚动摩擦系数为0。

In this dissertation, on the basis of the rolling principle and kinematic analysis for the drive pairs, a new idea of the revolutionary surface envelope globoidal worm gearing with rolling friction and point engagement is proposed; the point engagement theory, the engaging features, the mechanism errors and adaptation, the engaging efficiency, and the design and machining technology are systematically studied; the prototype is manufactured and the experiment is performed, and the related theory and technology are verified.

本文在对传动副实现滚动的机理及运动学分析的基础上，提出了滚动式回转面包络点啮合环面蜗杆传动的基本构思与技术框架，并深入系统地研究了滚动式回转面包络点啮合环面蜗杆副的啮合原理、啮合特性、误差敏度及适应性、啮合效率、设计和制造方法；研制了原型机并进行了原型机实验等。

Determine (1)the angle acceleration of the tub wheel,(2) the tensile force of the rope,(3) the reaction forces at point O on the bearing,(4)the friction force between the cylinder and the inclined plane (neglecting the rolling friction).

在图示机构中，沿斜面向上作纯滚动的圆柱体和鼓轮O均为均质物体，各重为P和Q，半径均为R，绳子不可伸长，其质量不计，斜面倾角，如在鼓轮上作用一常力偶矩M。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了