对主传动系统，我选用FANUC AC电动机通过带传动驱动主轴。
The main drive system, I choose FANUC AC motor drive through the belt drive spindle.
地铁主传动系统由牵引逆变器、微机控制驱动装置、牵引电动机等部件组成。
The devices of the main driver system in subway mainly consist of traction inverter, driver equipment with micro-computer control and traction motor.
镗床主传动系统是用来实现镗床主运动的，它将主电动机的原动力变成可供主轴上刀具切削加工的切削力矩和切削速度。
The system of boring main driving is used to achieve the main movement boring machine, main Motor will become the driving force on the tool spindle machining cutting torque and the cutting speed.
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