高速高精度机床不仅要有高的主轴转速和进给速度，而且还需要具有高的主轴和进给系统运动加速度。

High speed and high precision machinery should have not only high spindle speed and high feeding speed, but also high spindle and feeding system acceleration.

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只有两个参数可以修改，在实时控制过程：进给速度和主轴转速。

Only two parameters can be modified during the real-time control process: feedrate and spindle speed.

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存在一个较佳的主轴伺服进给速度使得工件的加工速度较高。

There is an optimal spindle servo feeding speed(SFS) at which the MRR is the highest.

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