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    • 1. 发明授权
    • Machine tool to control driving of control objects
    • 机床控制控制对象的驱动
    • US08629641B2
    • 2014-01-14
    • US12950181
    • 2010-11-19
    • Makoto FujishimaHiroki Nakahira
    • Makoto FujishimaHiroki Nakahira
    • G05B13/00
    • G05B19/416G05B2219/34314
    • A machine tool includes a time calculation unit calculating the time for a spindle to arrive at a target rotational speed, and the time for a spindle head to arrive at a target position; a comparison unit comparing the time to arrive at the target rotational speed and the time to arrive at the target position; and a drive control unit controlling the drive of the spindle and the drive of the spindle head. The drive control unit controls the drive of the spindle head, when a determination is made that the time to arrive at the target rotational speed is longer than the time to arrive at the target position, such that the time for the spindle head to arrive at the target position is longer than the calculated time to arrive at the target position, and less than or equal to the calculated time to arrive at the target rotational speed. Accordingly, the machine tool can drive the spindle head that is a control object in a power-saving mode.
    • 一种机床,包括计算主轴到达目标转速的时间的时间计算单元,以及主轴头到达目标位置的时间; 对比单元,比较达到目标转速的时间和到达目标位置的时间; 以及控制主轴的驱动和主轴头的驱动的驱动控制单元。 当确定到达目标转速的时间比到达目标位置的时间长时,驱动控制单元控制主轴头的驱动,使得主轴头到达的时间 目标位置比计算出的到达目标位置的时间长,并且小于或等于计算出的达到目标转速的时间。 因此,机器能够以省电模式驱动作为控制对象的主轴头。