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TECHNICAL PAPERS

Stability Prediction for Low Radial Immersion Milling

[+] Author and Article Information
M. A. Davies, J. R. Pratt, B. Dutterer

Manufacturing Engineering Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899

T. J. Burns

Information Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899

J. Manuf. Sci. Eng 124(2), 217-225 (Apr 29, 2002) (9 pages) doi:10.1115/1.1455030 History: Received March 01, 2000; Revised May 01, 2001; Online April 29, 2002
Copyright © 2002 by ASME
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References

Figures

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Stability curve for numerical simulations of uninterrupted and highly interrupted turning operations
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Schematic of an interrupted turning operation. s is the feed rate in meters per second and f0=sτ.
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Schematic of a partial immersion milling operation
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Power spectra of experimental microphone signals showing stable (a) and unstable (b) machining conditions. The insets show micrographs of the surfaces generated under the conditions shown.
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Power spectrum of simulated tool displacements for an unstable cut at 12000 rpm showing a pattern that is qualitatively similar to the microphone signals
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Data from unstable machining at 15000 rpm showing (a) power spectrum of experimental microphone signal and (b) power spectrum of simulated tool displacement
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Experimental stability plots (a) for tool 1 and (b) for tool 2. Analytical and numerical predictions of stability for (c) ρ=0.1 and (d) ρ=0.05.

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