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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

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Delio,  T., Tlusty,  J., and Smith,  S., 1992, “Use of Audio Signal for Chatter Detection and Control,” Trans. ASME, 114, pp. 146–157, May.
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Lin,  S. C., DeVor,  R. E., and Kapoor,  S. G., 1990, “The Effects of Variable Speed Cutting on Vibration Control in Face Milling,” ASME J. Eng. Ind., 112, pp. 1–11, Feb.
Altintas,  Y., and Chan,  P. K., 1992, “In Process Detection and Suppression of Chatter in Milling,” Int. J. Mach. Tools Manuf., 32, pp. 329–347.
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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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