In this paper a kind of multi-freedom dynamic modeling method of numerical control machine tool feeding transmission system is introduced.

本文给出了数控机床进给传动系统的一种多自由度动力学建模方法。

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The harvester greatly simplifies the transmission process of the entire walking system and the machine tool structure and enhances the working reliability of the machine tool.

极大地简化了整个行走系统的传动环节和机具结构的复杂性，提高机具工作的可靠性。

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Then, the main transmission system of machine tool is regarded as grey system, se.

介绍了现代数控机床主传动系统设计的基本要求，主传动系统设计及特点。

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