在对数控机床进给伺服系统进行动态分析的基础上，根据劳斯判据得出了系统稳定的条件，为数控系统的选择和位置增益的调整提供了理论基础。

This article has obtained the stable condition of the system according to the Routh criterion and provided a theoretical basis for the choice of CNC system and the adjustment of position gain.

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其次，对可采用人造花岗岩材料的磨床结构主要部件和微进给机构进行动态性能分析。

Secondly, dynamic analysis of the key components made of AGC or casting iron was carried out, together with the analysis of micro feed mechanism.

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