A New Metric for Automated Stability Identification in Time Domain Milling Simulation

被引：54
作者：
Honeycutt, Andrew [1 ]
Schmitz, Tony L. [1 ]
机构：
[1] Univ North Carolina Charlotte, Dept Mech Engn & Engn Sci, 9201 Univ City Blvd, Charlotte, NC 28223 USA
来源：
JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME | 2016年 / 138卷 / 07期
基金：
美国国家科学基金会;
关键词：
milling; stability; Poincare section; time domain simulation; CHATTER; DYNAMICS; BIFURCATIONS; FREQUENCIES; PREDICTION;
D O I：
10.1115/1.4032586
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new metric is presented to automatically establish the stability limit for time domain milling simulation signals. It is based on periodically sampled data. Because stable cuts exhibit forced vibration, the sampled points repeat over time. Periodically sampled points for unstable cuts, on the other hand, do not repeat with each tooth passage. The metric leverages this difference to define a numerical value of nominally zero for a stable cut and a value greater than zero for an unstable cut. The metric is described and is applied to numerical and experimental results.
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页数：7
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