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Analytical process damping stability prediction
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DOI：10.1016/j.jmapro.2012.11.006.png)
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摘要
En 中文
This paper describes an analytical solution for turning and milling stability that includes process damping effects. Comparisons between the new analytical solution, time-domain simulation, and experiment are provided. The velocity-dependent process damping model applied in the analysis relies on a single coefficient similar to the specific cutting force approach to modeling cutting force. The process damping coefficient is identified experimentally using a flexure-based machining setup for a selected tool-workpiece pair (carbide insert-AISI 1018 steel). The effects of tool wear and cutting edge relief angle are also evaluated. It is shown that a smaller relief angle or higher wear results in increased process damping and improved stability at low spindle speeds. (c) 2012 The Society of Manufacturing Engineers. Published by Elsevier Ltd. All rights reserved.
Keyword:
Machining
Dynamics
Modeling
Tool wear
Process damping
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6.8
论文数:
8.0K
被引数:
3.5W
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