在确定分析方法基础上，对拉杆转子的动力学特性进行了分析，得到了拉杆转子的临界转速随拉杆拉紧力增大而增加的变化规律。

Using the method, the rod fastening rotor dynamics was analyzed, and the discipline of the rod fastening rotor critical speeds increase with total tighten force was abstained.

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临界转速是离心压缩机转子系统的主要动力参数之一。

Critical speed is one of the important dynamic parameters of the rotor system in centrifugal compressor.

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开发的程序可以计算转子各阶模态振型与临界转速，进行稳定性的分析。

The program can calculate modal shapes and critical speeds, analyze the stability of the rotor system.

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