Introduced the driving gear box for bi-directional twin screw extruder, the new thrust device can instead of the traditional thrust fit.
介绍了双向双螺杆挤出机用传动箱，新型止推装置可替代传统的止推包。
Since the thrust ripple has great influence on the precision and steadiness of the velocity control, the sliding-mode control device of speed loop was designed.
针对推力波动对于直线电机的速度控制精度和平稳性影响较大的问题，设计了速度环滑模控制器。
Since the thrust ripple has great influence on the precision and steadiness of the velocity control, the sliding-mode control device of speed loop was designed.
针对推力波动对于直线电机的速度控制精度和平稳性影响较大的问题，设计了速度环滑模控制器。
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