General Cutting Dynamics Model for Five-Axis Ball-End Milling Operations

General Cutting Dynamics Model for Five-Axis Ball-End Milling Operations
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五轴球头铣削加工的通用切削动力学模型

DOI:
10.1115/1.4047625
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发表时间:
2020-09
期刊:
Journal of Manufacturing Science and Engineering
影响因子:
--
通讯作者:
Yusuf Altintas
Yusuf Altintas
中科院分区:
其他
文献类型:
--
作者:
Jianhui Li;Z. Murat Kilic;Yusuf Altintas

文献摘要

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五轴球头铣削广泛用于加工具有雕塑表面的零件。建立了不同五轴联动机床球头铣刀铣削过程的通用切削动力学模型。该模型考虑了刀具和工件的结构动力学特性,并考虑了刀具-工件啮合和刀具轴向对刀具轨迹上沿着每个刀具位置颤振稳定性的影响。通过扫描主轴转速,选择无颤振主轴转速,然后预测薄壁柔性零件五轴铣削中的强迫振动。该模型已被实验说明,预测颤振稳定性和强迫振动的工作台倾斜五轴数控机床。
Five-axis ball-end milling is used extensively to machine parts with sculptured surfaces. This paper presents the general cutting dynamics model of the ball-end milling process for machine tools with different five-axis configurations. The structural dynamics of both the tool and workpiece are considered for the prediction of chatter stability at each tool location along the tool path. The effects of tool–workpiece engagement and tool axis orientation are included in the model. By sweeping the spindle speeds, the chatter-free spindle speeds are selected followed by the prediction of forced vibrations in five-axis milling of thin-walled, flexible parts. The proposed model has been experimentally illustrated to predict the chatter stability and forced vibrations on a table-tilting five-axis computer numerical control machine tool.
DOI: 10.1007/s00170-008-1735-7
发表时间: 2009
期刊: The International Journal of Advanced Manufacturing Technology
影响因子: --
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