Taking the high-speed vertical five axis machining center ram as the research object,the initial structural design principle was elaborated.Then,based on the theory of static and dynamic analysis,finite element analysis was used to conduct static and modal analysis on it.In order to further improve its dynamic characteristics,topology optimization method was used for lightweight design of the ram structure,and a comparative analysis was conducted on the structure before and after optimization.After the final optimization,the mass of the ram was reduced by 31％,and the first-order natural frequency increased by 22.4％.This study not only improves the dynamic performance of the machine tool ram components,but also achieves lightweight design of the ram components.This method lays the foundation for the optimization design of other key components and the whole machine of this type of machine tool.
关键词
高速立式五轴加工中心/滑枕/轻量化设计/拓扑优化/动态特性
Key words
high-speed vertical five axis machining center/ram/lightweight design/topology optimization/dynamic performance
维普
万方数据