Study on the dynamic performance of spindle assemble and headstock

Y. Zhang, Chun-Sheng Liu
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引用次数: 2

Abstract

To design a machine tool successfully, its essential parts should be analyzed and evaluated after design but before prototype being made. The spindle assembly and headstock are the most essential parts of high speed machine tool, so how the dynamic characteristics of the spindle assembly affect the performance of NC machine tool are of great significance and should be studied. This paper's research is based on CHH6125 horizontal machining center produced and developed by a certain plant of machine tools. During the course of design, the characteristics of spindle assembly and headstock can be forecasted by using finite element analysis method. During the course of finite element analysis, methods of simulating the spindle assembly support are studied, and the configuration of the spring damper elements of the bearing supports are also studied, and the finite element analysis on the spindle assembly and headstock have been made to confirm its dynamic characteristics.
主轴总成与主轴箱动态性能研究
为了成功地设计机床,必须在设计之后、样机制作之前对机床的关键部件进行分析和评价。主轴总成和主轴箱是高速机床最重要的部件,因此主轴总成的动态特性如何影响数控机床的性能具有重要意义,值得深入研究。本文以某机床厂生产开发的CHH6125卧式加工中心为研究对象。在设计过程中,采用有限元分析方法对主轴总成和主轴箱的特性进行预测。在有限元分析过程中,研究了主轴总成支承的仿真方法,研究了轴承支承的弹簧阻尼元件的配置,并对主轴总成和主轴箱进行了有限元分析,确定了主轴总成和主轴箱的动态特性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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