lead-in brush

The effect factors on the characteristic of commutation and wear of the brushes for traction motors under heavy burden and high speed was analysed.

对影响牵引电机用电刷在重载、高速运行状态下的换向和磨损特性因素进行了分析 ,阐述了利用引进的俄罗斯先进工艺装备、采用新工艺、新技术研制的牵引电刷具有换向性能优良、电刷寿命长等优点 ,满足机车的使用要