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TECHNICAL PAPERS

Machine Tool Chatter Suppression by Multi-Level Random Spindle Speed Variation

[+] Author and Article Information
Alpay Yilmaz, Emad AL-Regib, Jun Ni

Department of Mechanical Engineering, The University of Michigan, Ann Arbor, MI 48109

J. Manuf. Sci. Eng 124(2), 208-216 (Apr 29, 2002) (9 pages) doi:10.1115/1.1378794 History: Received February 01, 1999; Revised September 01, 2000; Online April 29, 2002
Copyright © 2002 by ASME
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References

Figures

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(a) Multi-level random signal and (b) its amplitude generating probability density function
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Single degree-of-freedom machining system model
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Lyapunov exponent sensitivity with respect to size of Ak
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Experimental spindle system frequency magnitude plot
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Stability limit diagrams for constant speed, MRSSV and S3V cutting
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Chatter suppression simulations with MRSSV at (a) so=745 rpm (b) so=1150 rpm
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Comparison between experimental constant speed and MRSSV cuttings
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Comparison between experimental S3V and MRSSV cuttings
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(a) vibration signal and (b) surface finish for So=500 rpm and d=7.5 mm under constant and MRSSV
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(a) Vibration signal and (b) surface finish for so=745 rpm and d=6 mm under constant and MRSSV
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MRSSV amplitude ratio effect, α, in chatter suppression
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MRSSV hold duration, z, effect in chatter suppression

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