The drilling bar is clamped by a holder, supported by a guiding unit, and the feeding motion is realized by the saddle of the lathe.
钻杆由钻杆夹头夹持，由钻杆导向装置支撑引导，由车床大拖板带动实现进给运动。
Feeding, courtship, reproduction, and even "rest" are carried out while in constant motion.
进食、求偶、繁殖，甚至“休息”，都是在不断运动中进行的。
In this article, the feeding system's mathematics model of the motion counting parameter is got, non-linear relation between the feeding electromotive and driving electromotive is found out.
本文确定了受料系统运动参数的数学模型，得知在恒功率下受料电机转速与受料电机转速之间的关系是非线形的。
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