1、 毕业设计（论文） 高速电主轴传递矩阵法研究 学 生： 学 号： 指导教师： 专 业：机械设计制造及其自动化 Research on high-speed spindle with transfer matrix method 摘 要 这篇文章的主要目的是为了利用传递矩阵法对高速电主轴进行静态特性 分析。文章首先介绍了高速电主轴的结构特征，分析了电主轴在国内外的研究 现状和它的运用情况。通过了解高速电主轴对数控机床加工和金属切削技术的 影响，提出了高速电主轴在未来发展过程中进一步的研究方向。简单介绍了高 速电主轴的研究方法，并用传递矩阵法对高速电主轴的静态特性进行了深入的 分析计算。利用传递矩
2、阵法原理，对高速电主轴进行了模型简化，通过典型单 元的传递矩阵分析计算得出电主轴左右端面整体的传递矩阵。并且根据实际的 加工制造过程中，电主轴可能受到的影响因素，结合电机转子和电主轴的转子 电流与气隙磁场之间的相互作用产生的不可忽略的作用于电机转子的电磁转 矩，对典型单元的传递矩阵进行了修改，使得电主轴的传递矩阵更加精确。然 后利用修改后的电主轴整体传递矩阵对 6 000r/min 的电主轴进行了实例验证， 得出了电主轴的固有频率以及电主轴在固有频率下的响应曲线，最后对偏心状 态下的高速电主轴进行了机电动力学分析，从而更为准确的得出了高速电主轴 的静态特性，促进了对高速电主轴更加深入的学习和研
3、究。 关键字：高速电主轴，传递矩阵法，静态特性，固有频率，Matlab ABSTRACT The main purpose of this article is to make use of the transfer matrix method to analys the static characteristics of high-speed electric spindles. First of all, this article introduces the structure of the high-speed spindle, spindle analyzed in the rese
4、arch status and its use cases . By understanding the impact of high-speed spindle for CNC machining and metal cutting technology, this artcle proposes new direction for high-speed spindles further research in the future development process. A brief introduction to research methods of high-speed spin
5、dle and use the transfer matrix method for static characteristics of high-speed spindle conducted in-depth analysis and calculation . Using the transfer matrix method, the principle of high-speed spindle simplified model to analyze the typical unit is calculated by the transfer matrix derived spindl
6、e end face about the overall transfer matrix . And according to the actual manufacturing process, the spindle may be factors , combined with a non-negligible role in the interaction between the rotor current and rotor magnetic gap between the spindle and the resulting electromagnetic torque of the motor rotor , for a typical unit transfer matrix has been modified so that the electric spindle transfer matrix more precise. Then use the modified spindle transfer matrix of the overall electric
