MEASUREMENT OF DYNAMIC PERFORMANCES OF HIGH-SPEED ROTATING SPINDLE BY NON-CONTACT ELECTROMAGNETIC LOADING DEVICE

被引：0
|
作者：
Wan, Shaoke [1 ]
Hong, Jun [1 ]
Su, Wenjun [1 ]
Li, Xiaohu [1 ]
Sun, Yanhui [1 ]
Chen, Wei [1 ]
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Mfg Syst Engn, Xian, Shaanxi, Peoples R China
来源：
PROCEEDINGS OF THE ASME INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION, 2017, VOL 2 | 2018年
基金：
中国国家自然科学基金;
关键词：
High-Speed Spindle; Natural Frequency; Stiffness; Non-contact Electromagnetic Loading Device; STIFFNESS;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
When spindle rotates, the stiffness and natural frequency that reflect the dynamic performances of spindle system, vary with different rotating conditions. Therefore, the measurement of stiffness and natural frequency is highly needed. However, it is difficult to apply excitation to the rotating spindle during the measurement. In this paper, a non-contact electromagnetic loading device is developed to provide desirable excitation for the measurement. Next, an experimental spindle test rig with constant pressure preload is established. With the help of the proposed loading device, stiffness and natural frequency of the experimental spindle at different rotating states are measured. Finally, the effects of rotation speed and temperature on the natural frequency and stiffness of spindle are discussed based on the measurement results. The results show that the rotation speed and temperature have the similar influence trend on the experimental spindles softening.
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页数：5
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