The special speed-ratio function designed in this paper can make driven cam profile that meshing with driving roller no curvature interference.
按本文的方法设计特殊速比函数，可使与主动滚子啮合的从动凸轮廓线不会产生曲率干涉。
The system is designed as circulation absent and A-A VF controlled one, in which a responsive motor driving the main ventilation fan is controlled in a vector control technology without speed sensor.
系统采用无环流交-交变频控制方案、应用无速度传感器的矢量控制技术对拖动煤矿主扇风机的感应电动机进行控制。
SZKX series is specially designed for servo drive mechanism of machine tools, but also is suited to other servo drive mechanism, and also can be changed for regulating speed driving other machinery.
该系列产品为机床伺服驱动机构而专门设计的，当然也适用于其它各种伺服驱动系统，并可改作成其它机构的调速驱动。
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