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. © 2012 The Society of Manufacturing Engineers.
CITATION STYLE
Tyler, C. T., & Schmitz, T. L. (2013). Analytical process damping stability prediction. Journal of Manufacturing Processes, 15(1), 69–76. https://doi.org/10.1016/j.jmapro.2012.11.006
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