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文中首次提出了机床颤振中“双频颤振”的论点,并对其产生机理进行了理论探讨且得实验验证。作者认为:对机床颤振中“双频颤振”进行研究不仅具有很重要的实用价值,而且将导致对现行的机床颤振理论的某些修改。
The thesis firstly puts forward the argument of “dual-frequency chatter” in chatter vibration of machine tool, and makes a theoretical discussion on the mechanism of chatter vibration. The author believes that the study of “dual-frequency chatter” in chatter vibration of machine tools not only has very important practical value, but also will lead to some modifications to the current chatter theory of machine tools.