Analytical Prediction of Part Dynamics for Machining Stability Analysis

被引：4
|
作者：
Alan S. [1 ]
Budak E. [2 ]
Özgüven H.N. [1 ]
机构：
[1] Department of Mechanical Engineering, Middle East Technical University, Ankara
[2] Faculty of Engineering and Natural Sciences, Sabanci University, Orhanli, Tuzla, Istanbul
来源：
International Journal of Automation Technology | 2010年 / 4卷 / 03期
关键词：
chatter stability; part dynamics; structural modification;
D O I：
10.20965/ijat.2010.p0259
中图分类号：
学科分类号：
摘要：
An analytical procedure is developed to predict work-piece dynamics in a complete machining cycle in order to obtain frequency response functions (FRF), which are needed in chatter stability analyses. For this pur-pose, a structural modification method that is an efficient tool for updating FRFs is used. The mass re-moved by machining is considered to be a structural modification in order to determine the FRFs at different stages of the process. The method is implemented in a computer code and demonstrated on different ge-ometries. The predictions are compared and verified by FEA. Predicted FRFs are used in chatter stability analyses, and the effect of part dynamics on stability is studied. Different cutting strategies are compared for increased chatter-free material removal rates considering part dynamics. © Fuji Technology Press Ltd.
引用
收藏
页码：259 / 267
页数：8
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