The manufacture precision of super exactitude NC lathe depends on not only the operation rate of NC deviceand joined precision, but also the error of track and point location about servo system.

超精密数控车床加工精度的提高不仅依赖于数控装置的运算速度和曲线的拟合精度，同时还依赖于伺服系统的跟踪精度和点位控制精度。

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Using this algorithm in the location problem of leak point shows that this method can find the leak point and the location precision can be increased by 0.96% in comparison with normal methods.

利用该算法对泄漏点定位，结果表明，该方法能够找到泄漏点，而且与常规方法相比精度提高0.96%。

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Using this algorithm in the location problem of leak point shows that this method can find the leak point and the location precision can be increased by 0.96% in comparison with normal methods.

利用该算法对泄漏点定位，结果表明，该方法能够找到泄漏点，而且与常规方法相比精度提高0.96%。

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