摩擦

First, the domestic and oversea research actualities of friction dynamic characteristics have been summaried, the manifestations and formings of these friction phenomena are discussed.

因此本课题基于摩擦实验研究，对摩擦特性进行分析，提出新的宏观经验模型结构，并给出相应的摩擦信号处理和参数识别过程，此外，运用数值方法对滑动导向系统的动力学特性进行了探讨。

Instruction: friction band is installed between vacuum box and adhesive belt with airproofing, lubrication and cooling to lessen resi

真空皮带脱水机备件摩擦带摩擦带 friction band 说明：摩擦带是安装在真空盒与胶带之间，并以水密封、润滑、冷却，减少胶带运行的阻力。

Load resistance can adjust the size of load resistance by adjusting the tightness of friction belt of the tensioning adjustment device,Load resistance value can display directly through the load device.

套在阻力轮上的摩擦带与阻力轮产生摩擦形成负荷阻力，负荷阻力可以通过张紧调节装置调节摩擦带的松紧度来调节负荷阻力的大小，负荷阻力值又可以通过负荷指示装置显示出来。

The tribological properties of 500 SN oil containing nanometer copper borate were investigated with a four ball machine and a block on ring friction and wear tester.

结果表明：纳米硼酸铜使500SN基础油润滑下的摩擦系数略有增大，并使其抗磨及承载能力提高；其最佳添加量为0.70%～1.10%；纳米硼酸铜颗粒在摩擦表面发生了摩擦化学反应，生成了由B2O 3及FeB等组成的表面保护膜。

The optimal factor of dry friction damping can be got by means of appropriate choice of dry friction parameters.

其中，干摩擦参数的变化对凸肩干摩擦付的阻尼特性构成重要影响，对它进行适当的选择，可望得到最优干摩擦阻尼因子。

The FEM analysis was conducted with the combination of different friction factor and different lateral angle.

利用刚塑性有限元法分析了摩擦对挤压件变形均匀程度的影响，以不同摩擦因子与不同侧向角的组合为分析对象，摩擦因子取值范围为0.1～1.0，侧向角取值范围为10°～90°。

The colour, collapse phenomenon and chemical component of the friction surface of powder metallurgy airplane brake materials with different base are studied in this paper.

结果表明刹车材料的抗压强度随基体而变化，刹车材料摩擦面的表观颜色与基体密切相关；基体对刹车材料摩擦面的粘附转移产生重大影响，从而使刹车材料摩擦面的化学成分发生变

A comparison test is conducted on SAE No.2 standard test machine to study friction performance,durability,power increment as well as continuous slippage between paper-base friction materials and powder metallurgy friction materials.

利用SAENo2标准试验机对纸基摩擦材料与粉末冶金摩擦材料进行了摩擦性能、耐久性、能量递增以及连续滑动的对比试验。

A kind of wet copper-based friction material was made through powder metallurgy process. The surface microstructure was analyzed through metallographic analysis. The effects of brake conditions on friction coefficients of the material were investigated with MM1000 friction tester.

摘 要：采用粉末冶金方法制备铜基湿式摩擦材料，利用金相技术分析材料表面的微观结构，并用MM1000摩擦试验机研究制动条件对动摩擦因数影响的变化规律。

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。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。