摘要
防护门作为数控机床的主要安全部件,其结构强度和刚度对机床的安全性起着至关重要的作用。在投入生产前,运用仿真软件进行优化设计往往能在很大程度上提高其质量并节约大量成本。以青海重型机床厂生产的数控机床防护门为研究对象,通过Solidworks软件建立防护门壳体的三维实体模型,利用ANSYS软件对防护门壳体的不同区域施加一系列冲击载荷,进行有限元瞬态分析,仿真得到了该壳体在不同工况下的应力、位移云图。在此基础上对防护门壳体的结构进行优化,优化结果表明:当防护门壳体采用圆角结构时,极大地提高了其稳定性和抗冲击性能。
As the main security components of CNC machine tools, the protective door＇s structural strength and stiffness play an important role in keeping the machine safe. Before putting into production, using the simulation software to optimize design can greatly improve the quality and reduce costs. So regarding the protective door of CNC machine tools, which produced by Qinghai Heavy Machine Company, as the research object it should build three-dimensional solid model by Solidworks firstly, then gets the model into ANSYS to apply a series of impact load on it and makes transient finite element analysis, in order to obtaining the stress and displacement nephogram, which is simulated in different working conditions. On this basis we optimize the structure, and the optimization results show that the stability and impact resistance are greatly enhanced by using the fillet structure on the protective door shell.
出处
《机械设计与制造》
北大核心
2016年第3期160-162,166,共4页
Machinery Design & Manufacture
基金
青海省科技厅"123科技支撑平台建设计划"资助项目"高档卧式加工中心可靠性分析与试验技术研究"(2012-G-Y-25A-8)
