电刷磨损

270V高压稀土永磁直流电动机电刷磨损与换向研究

Brush Abrasion and Commutation Research of 270V High-voltage Rare-earth Permanent Magnet DC Motors

低气压及真空条件下有刷直流电机电刷磨损的研究

Research of Brush Abrasion in Vacuum Condition

电机用电刷磨损机理的几点探索

Somewhat search after of the wear for machine electrical brush

随着电流密度的增大，电刷磨损量增大。

Furthermore , the wear mass loss increased with the increasing of current density .

针对客车风扇电机电刷磨损快、使用寿命低的问题，提出一种实用新型小功率逆变驱动系统。

A novel small power inverter-fed induction-motor drive is presented , concerning the fast wearing and tearing of the train fan motor and low life of it .

对于电刷磨损问题，本文根据有限元理论和磨损理论提出了载流情况下的电磨损率计算公式，同时建立了电机常用电刷磨损率的数据库以便查询。

This paper provides an wear formula in case of electrical current carrying under the theory of finite element theory , while establishing a motor brush wear rate used to query the database .

针对真空条件下有刷直流电机电刷磨损严重的问题，分析了真空条件下影响电刷磨损的主要因素，提出真空条件下减小电刷磨损，延长电机使用寿命的改进措施。

The main factors effected the brush abrasion is analyzed . The improved measure is present to reduce the abrasion and extend the operational life in vacuum and low pressure mainly against the state that the brush abrasion in vacuum and low pressure is much serious .

结果表明，石墨和碳纤维均能提高复合材料电刷的磨损性能，添加的合金元素的质量分数在6%～9%之间时，电刷具有良好的耐磨性能和导电性能。

The results show that the graphite and carbon fiber can increase the wearing properties of silver matrix brush material , and when the addition of copper is between 6 % and 9 % , the composite exhibits the best wear properties and electrical conductivity .

n-Al2O3/Ni复合电刷镀层滑动磨损性能

Sliding Wear Properties of n-Al_2O_3 / Ni Electro-Brush Plating Composite Coating

Ni-W（D）合金电刷镀层的滑动磨损特性研究

Friction and Wear Behavior of Brush Plated Ni W ( D ) Layer in Oil Lubrication Sliding against a Mild Steel

纳米颗粒复合镍基电刷镀层的滑动磨损性能研究

Sliding Wear Behaviors of Nickel Based Nanocomposite Electro-brush Plating Coatings

本文介绍了不同材质的电刷在某些试验参数相同的条件下，磨损差别较明显的原因，以及不同材质的正负电刷磨损不同的磨损机理。

The paper presents the reasons why wear behaviour of brush with various materials is apparently different from each other even at same test conditions . The wear mechanism of positive and negtive brush with different materials is introduced too .

并从摩擦学的角度，分析了电刷在集电环上滑动接触时各种摩擦要素的相互作用，探讨了浸银石墨电刷的磨损机理。

From the point of view of tribology , the interface of different friction essentiality during the brush sliding contact was analyzed , the wear mechanism of graphite brush impregnated silver was also discussed .