Prediction of multiple frequencies chatter stability in high-speed milling system

被引:0
|
作者
Song, Qinghua [1 ]
Ai, Xing [1 ]
Tang, Weixiao [1 ]
Wan, Yi [1 ]
机构
[1] Shandong Univ, Sch Mech Engn, Jinan, Peoples R China
关键词
high-speed milling; chatter; frequency response function; stability limit;
D O I
10.4028/www.scientific.net/KEM.375-376.564
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A new dynamics model for multi-degree of freedom high-speed milling system is proposed, which takes account of regenerative effects and the effects of the relative vibration of spindle axis in milling process. Based on the mode synthesis theory and the zeroth-order approximation of the Fourier series, an integrated stability analytical method for multiple frequencies is presented, which involves multiple orders modal characteristics and higher order excitations in high-speed milling process. The chatter stability lobes are predicted in the frequency domain using the proposed stability analytical method.. and verified by milling experiments. It is shown that stability regions involving multiple natural modes are reduced contrary to the case of single natural mode.
引用
收藏
页码:564 / 568
页数:5
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