摘要
利用Pro/E建立了空心主轴单元的三维模型,采用ANSYS对空心主轴单元进行了振动特性分析。通过在空心主轴上选取的6个关键节点,并取前轴承不同位置,对比分析不同前轴承位置时的固有频率及相应6节点处的振动特性,得到如下结论:刀具和调刀套节点处的振动对棒材加工精度影响最大,并在此基础上对空心主轴结构进行优化,提高了加工精度。
The three-dimensional model of the hollow spindle unit is established with Pro/E. And the vibration characteristics of the hollow spindle unit are studied with ANSYS. Six key nodes on the hollow spindle and different positions of the front bearing are selected and the vibration characteristics are comparatively studied. The results show that the rod machining precision is greatly influenced by the vibration of the nodes of knives and knife pouches. Based on the results, the structure of hollow spindle is optimized and the machining accuracy is improved.
作者
史丽晨
贠志达
王海涛
杜小渊
皇甫云峰
豆卫涛
Shi Lichen Yun Zhida Wang Haitao Du Xiaoyuan Huangfu Yunfeng Dou Weitao(School of Mechanical and Electrical Engineering, Xi＇an University of Architecture and Technology, Xi＇an 710055, China Xi＇an Yongdian Electric Co., Ltd., Xi＇an 710016, China Western Superconducting Technologies Co., Ltd., Xi＇an 710018, China)
出处
《机械科学与技术》
CSCD
北大核心
2017年第9期1375-1380,共6页
Mechanical Science and Technology for Aerospace Engineering
基金
国家自然科学基金青年项目(51105292)资助
关键词
无心车床
空心主轴单元
ANSYS
振动特性分析
结构优化
centerless lathe
hollow spindle unit
ANSYS
vibration characteristic analysis
structure optimization
