Chatter prediction based on frequency domain solution in CNC pocket milling

被引:0
|
作者
Jeong Hoon Ko
Kah Chuan Shaw
机构
[1] Singapore Institute of Manufacturing Technology,
来源
International Journal of Precision Engineering and Manufacturing | 2009年 / 10卷
关键词
Milling; Chatter; Frequency domain solution; NC simulation;
D O I
暂无
中图分类号
学科分类号
摘要
Chatter has been a problem in CNC machining process especially during pocket milling process using an end mill with low stiffness. Since an iterative time-domain chatter solution consumes a computing time along tool paths, a fast chatter prediction algorithm for pocket milling process is required by machine shop-floor for detecting chatter prior to real machining process. This paper proposes the systematic solution based on integration of a stability law in frequency domain with geometric information of material removal for a given set of tool paths. The change of immersion angle and spindle speed determines the variation of the stable cutting depth along cornering cut path. This proposed solution transforms the milling stability theory toward the practical methodology for the stability prediction over the NC pocket milling.
引用
收藏
页码:19 / 25
页数:6
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