查询词典 static friction

Meanwhile, metal powders of Cu and Pb decrease the friction coefficient of PTFE composites, but Ni powder increases the friction coefficient.

金属填料Cu及Pb降低了PTFE复合材料的摩擦系数，Ni则增大了复合材料的摩擦系数；Cu的减磨效果最好，而Pb的减磨效果则最差。

The emphasis of this thesis is the study on the effect and mechanism of mechanical and friction performance caused by rare earth elements in iron based powder metallurgical friction material.

稀土在铁基粉末冶金摩阻材料中作用机理的研究稀土，铁基

Keywords Cu-based friction materials;nano-SiO2;friction and wear;powder metallurgy

铜基摩擦材料；纳米SiO2；摩擦磨损；粉末冶金

Substituting for powder metallurgy friction materials,paper-base friction materials are used in transmissions and brakes to improve their gear shifting and braking smoothness,reduce noise and increase products service life.

采用纸基摩擦材料替代粉末冶金摩擦材料，应用于变速器以及制动器中，改善变速器与制动器的换挡及制动平稳性、降低噪声，提高产品寿命。

Coupling means (7) can take the form of glue, friction material with a particle size of 0.1 1.0 mm, a film provided with friction material, a powder coating or a plasma coating.

利用胶粘剂、大约0.1-1.0mm粒度的摩擦材料、设有摩擦材料的薄膜、粉末涂层或者等离子涂层作为增附结构(7)。

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。

The friction between pistonring and cylinder is the primary factor of engines power loss. So, it is much meaningful to cut down the friction between piston ring and cylinder.

活塞环与缸套间的摩擦功率损失是整个内燃机功率损失的重要部分，降低摩擦功耗，提高内燃机效率有重要意义。

In addition, virtually everything possible has been done to the engine to reduce friction, including an offset crankshaft/connecting rod design, plateau honing of the cylinders for a smoother surface and a second low friction piston ring.

此外，几乎所有可能已经做了引擎，以减少摩擦，包括偏移曲轴/连杆的设计，一个光滑的表面和第二低摩擦高原活塞环珩磨的气瓶。

The results show that metal wear-self-repairing additive has excellent friction-reducing effect on cylinder-piston ring friction pairs and auto-repairing effect on cylinder inner surface.

研究结果表明，金属磨损自修复剂对缸套-活塞环摩擦副具有良好的减磨效果，可自动修复缸套表面。

Main factors influencing the joint lockup performance are determined by experiments and analysis, and the basic relationship between the lockup performance of robot joints and the influencing factors, including piston diameter, cavity diameter, material of friction ring, friction ring average diameter and viscosity of hydraulic oil, is obtained.

通过相关的实验研究及分析，确定了影响机器人关节锁紧能力的主要因素，获得了机器人关节锁紧能力与活塞尺寸、内腔尺寸、摩擦环材料和尺寸及液压油粘度等影响因素的基本关系。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"