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怎样保证双边驱动的同步和双边传动的精度?
 

双向驱动同步影响龙门梁的速度、加速度、定位精度和稳定性。DF系列数控光纤激光切割机采用西门子840D数控系统,编码器的速度和位置控制的双边驱动伺服电机。840D系统内核具有特殊的同步控制功能,双边伺服电机具有精确的零位,同时返回参考点,以双零位同步的起点,精度高。双伺服电机在位置控制循环中完成速度和位置的同步控制,没有主从,是一个完全同步,无差控制。

怎样保证双边驱动的同步和双边传动的精度?


双边传输的精度直接决定着龙门轴的定位精度,并会影响到双边传动的同步性。虽然双向驱动伺服电机,齿轮和齿条是相同的规格,龙门轴大行程运动,双边传动机械误差是很难避免的。西门子840D数控系统特有的同步控制技术,可对位置补偿双方同步控制,消除双边传动的机械误差,确保在定位精度的全宽度的龙门中轴线。


Bilateral drive synchronization affects the speed, acceleration, positioning accuracy and stability of the Longmen beam. DF series CNC fiber laser cutting machine using SIEMENS 840D CNC system, bilateral drive servo motor with encoder speed and position control. The 840D system kernel has the special synchronization control function, the bilateral servo motor has the precise zero position, simultaneously returns to the reference point, takes the double zero position as the starting point of synchronization, the precision is higher. Double servo motor in the position control cycle to complete the speed and position of the synchronization control, there is no master and slave, is a complete synchronization, no difference control.


The accuracy of bilateral transmission directly determines the positioning accuracy of the Longmen axis, and will affect the synchronization of bilateral drive. Although bilateral drive servo motor, gear and rack are the same specifications, the Longmen axis large stroke movement, bilateral transmission mechanical error is very difficult to avoid. SIEMENS 840D CNC system unique synchronization control technology, can be synchronized control of the two sides of the position compensation, eliminating the bilateral transmission mechanical error, to ensure that the Longmen axis in the full width of the positioning accuracy.


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