Setting method of revolutions per minute on the real time of a spinning cutting tool, and the control device

The present invention relates to a set number of real-time rotation of the rotary cutting tool method and control apparatus. How it can live rotational setting of the rotary cutting tool in accordance with the present invention and the control device, while by a milling tool that performs the cutting operation with respect to the workpiece, the chatter vibration amplitude (M [Equation 3] [Equation 4]