The traction motor is the power source of the locomotive. If the surface waviness occurs on the races of the motor beari......

The coaxial cooling fan of the traction motor is the necessary component for the safe operation of high-speed train.Due ......

从防尘、防止牵引电机轴承电蚀二方面，提出了减轻维修工作量的改进措施及防尘试验方法。改进后的牵引电机可达到１２０万ｋｍ不用分解检修。......