减振镗杆的有限元分析 目录中文摘要.......................................................1英文摘要.......................................................1第 1 章 减振镗杆的国内外讨论水平和进展趋势.....................1第 2 章 颤振的机理及稳定性分析理论.............................32.1 再生颤振的机理.........................................32.2 再生颤振系统...........................................42.3 系统切削过程动态模型...................................52.4 镗削过程稳定性分析理论与稳定性图.......................7第 3 章 减振镗杆的动力学模型..................................123.1 减振镗杆的设计........................................143.2 减振镗杆模型的分析....................................163.3 在 ANSYS 程序中进行应力应变分析........................183.4 模型在频域内的仿真结果................................18结论与展望....................................................22致谢..........................................................23参考文献:....................................................24附件 I 英文文献翻译...........................................25附件 II 英文文献原文...........................................28减振镗杆的有限元分析摘要:介绍了深孔镗削加工过程中产生振颤的机理,建立了减振镗杆的动力学模型。论述动力减振镗杆的工作原理,通过简化动力学模型建立微分方程。在理论基础上通过实验分析动力减振镗杆的减振效果和动态性能,并测定其最佳状态下的性能参数。试验结果确定了动力减振器的减振特点,为实际生产加工给出参考。关键词:减振镗杆 深孔镗削 性能参数Finite element analysis of Damping Boring BarAbstract : This paper introduced the mechanism of vibration in the process of deep hole boring , developed a dynamic modal of the damping boring bar. The working principle of a boring bar which has a dynamic vibration absorber is discussed The system’s differential equation is built according to the simple dynamical model. Based on theory,the dynamic performance of a boring...