Prediction of workpiece dynamics and its effects on chatter stability in milling

被引：170
|
作者：
Budak, Erhan [1 ]
Tunc, L. Taner [1 ]
Alan, Salih [2 ]
Ozguven, H. Nevzat [2 ]
机构：
[1] Sabanci Univ, Mfg Res Lab, Istanbul, Turkey
[2] Middle E Tech Univ, Dept Mech Engn, TR-06531 Ankara, Turkey
来源：
CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2012年 / 61卷 / 01期
关键词：
Milling; Chatter; Workpiece dynamics;
D O I：
10.1016/j.cirp.2012.03.144
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The workpiece dynamics affect stability in machining of flexible parts. However, it is not a straightforward task to include it in the analysis since the workpiece dynamics continuously change due to mass removal and variation of the cutter contact. In this paper, a methodology for prediction of inprocess workpiece dynamics is presented, which is based on a structural dynamic modification using the FE model of the workpiece. The cutter location (CL) file is used to determine the removed elements at each tool location along a cycle. The proposed approach is demonstrated on example cases, and simulations are verified through experiments. (c) 2012 CIRP.
引用
收藏
页码：339 / 342
页数：4
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