Stability Prediction for Low Radial Immersion Milling
Stability Prediction for Low Radial Immersion Milling
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DOI：
10.1115/1.1455030
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发表时间：
2002-05
影响因子：
4
通讯作者：
M. Davies;J. Pratt;Brian S. Dutterer;T. Burns
中科院分区：
文献类型：
--
作者：
M. Davies;J. Pratt;Brian S. Dutterer;T. Burns
传统的再生稳定性理论预测一组最佳稳定的主轴转速在系统的最灵活的模式的自然频率的整数分数。该理论的假设对于高度中断的加工是无效的，其中切削与不切削所花费的时间的比率（表示为p）是小的。本文提出了一种新的稳定性理论中断加工预测的最佳稳定速度的数量增加了一倍的值p变得很小。理论分析结果得到了数值模拟和实验的支持。据预计，该理论将是相关的选择最佳的加工参数在高速周边铣削操作的径向切削深度只有一小部分的工具直径。
Traditional regenerative stability theory predicts a set of optimally stable spindle speeds at integer fractions of the natural frequency of the most flexible mode of the system. The assumptions of this theory become invalid for highly interrupted machining, where the ratio of time spent cutting to not cutting (denoted p) is small. This paper proposes a new stability theory for interrupted machining that predicts a doubling in the number of optimally stable speeds as the value of p becomes small. The results of the theory are supported by numerical simulation and experiment. It is anticipated that the theory will be relevant for choosing optimal machining parameters in high-speed peripheral milling operations where the radial depth of cut is only a small fraction of the tool diameter.