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TECHNICAL PAPERS

Effects of Elevated Temperatures on Rocking Vibration of Rotating Disk and Spindle Systems

[+] Author and Article Information
Chaw-Wu Tseng, Jr-Yi Shen, I. Y. Shen

Department of Mechanical Engineering, University of Washington, Seattle, WA 98195-2600

C.-P. R. Ku

Western Digital Corporation, San Jose, CA 95138

J. Tribol 124(4), 794-800 (Sep 24, 2002) (7 pages) doi:10.1115/1.1456456 History: Received January 17, 2001; Revised August 15, 2001; Online September 24, 2002
Copyright © 2002 by ASME
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References

Shen,  I. Y., and Ku,  C.-P. Roger, 1997, “A Non-Classical Vibration Analysis of Multiple Rotating Disks/Spindle Assembly,” ASME J. Appl. Mech., 64, pp. 165–174.
Frees,  G. M., 1995, “Disk Drive Spindle Dynamics—Analysis and Measurement,” ASME Advanced Information Storage Systems, 6, pp. 237–261.
Shen,  I. Y., 1997, “Closed-Form Forced Response of a Damped, Rotating, Multiple Disk/Spindle System,” ASME J. Appl. Mech., 64, pp. 343–352.
Lee,  Chong-Won, and Chun,  Sang-Bok, 1998, “Vibration Analysis of a Rotor with Multiple Flexible Disks Using Assumed Modes Method,” ASME J. Vibr. Acoust., 120, pp. 87–94.
Lee,  C. W., and Ham,  J. S., 1999, “Mode Identification for Rotating Rigid Shaft With Flexible Disks by Mode Splits,” J. Sound Vib., 225, pp. 425–446.
Parker,  R. G., 1999, “Analytical Vibration of Spinning, Elastic Disk-Spindle Systems,” ASME J. Appl. Mech., 66, pp. 218–224.
Jia,  H. S., “On the Bending Coupled Natural Frequencies of a Spinning, Multispan Timoshenko Shaft Carrying Elastic Disks,” J. Sound Vib., 221, No. 4, pp. 623–649.
Lim,  S., 2000, “Finite Element Analysis of Flexural Vibrations in Hard Disk Drive Spindle Systems,” J. Sound Vib., 233, No. 4, pp. 601–616.
Shen,  J. Y., Tseng,  C. W., Shen,  I. Y., and Ku,  C.-P. R., 2000, “Vibration of Disk Media at Elevated Temperatures,” Journal of Information Storage and Processing Systems, 2, pp. 307–312.
Bittner,  H., and Shen,  I. Y., 1999, “Taming Disk/Spindle Vibrations Through Aerodynamic Bearings and Acoustically Tuned-Mass Dampers,” IEEE Trans. Magn., 35, No. 2, pp. 827–832.
Harris, T. A., 1991, Rolling Bearing Analysis, 3rd ed., John Wiley & Sons, New York, pp. 106–112.
Timoshenko, S. P., and Goodier, J. N., 1970, Theory of Elasticity, McGraw-Hill, pp. 68–71.
Jones, A. B., and McGrew, Jr., J. M., 1978, “Rotor-Bearing Dynamics Technology Design Guide: Part II—Ball Bearing,” Wright Patterson Air Force Aero Propulsion Lab., WPAFB, OH., Report No. AFAPL-TR-78-6.

Figures

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Disk/spindle modes; (a) (0,1) unbalanced mode and (b) (0,0) unbalanced modes
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Natural frequencies for aluminum disks on aluminum hub and glass disks on steel hub
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Natural frequencies for aluminum disks on steel hub and glass disks on aluminum hub
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Modeling race/hub assembly by a composite cylinder
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Free-body diagram of the composite cylinder at elevated temperature
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Ball bearing parameters
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A kinematic model to estimate contact angle at elevated temperature
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Waterfall plots of the spindle from 0 to 7200 rpm at 0°C and 60°C
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Theoretical and experimental rocking mode frequencies at 0°C and 60°C with respect to the spin speed

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