讨论了机床进给系统中因运动部件移动速度较低，因而产生爬行现象的自激振动机理。
This paper discusses the mechanism of self driving vibration in the machine tool feeding system.
首先从机电动力学出发，描述了机电弹性系统模型并以现代控制理论为基础，阐述了机电振动产生的机理。
Firstly, the flexibility model of main drive system of rolling mill is described. The mechanism of electromechanical vibration is set forth based on modern control theory.
为了明确自激振动的产生机理，建立力学模型，必须研究韧脆转变机制。
In order to further investigate the mechanism and build model of self-excited vibration, it is necessary to study the mechanism of DBT.
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