同步伺服机构用于大型工作台等手动进给的情形很多。这时对于大行程采用高速进给,当快到达位置时即变换成低速进给,以进行高精度定位。 如图所示,把变换开关拨于H时,摇动手轮,通过齿轮对G1转动同步控制发信机CX,把同步控制变压器CT2的误差信号放大。并在直流电动机DCM驱动工作 Synchronous servo system for large tables and other manual feed a lot of situations. At this time for large travel using high-speed feed, when the position is reached soon converted to low-speed feed, for high-precision positioning. As shown in the figure, when the change-over switch is set to H, the hand wheel is shaken, the synchronous control transmitter CX is rotated through the gear pair G1, and the error signal of the synchronous control transformer CT2 is amplified. And in DC motor drive DCM work