Nonsymmetric Groove Pattern Design for Precise Micro-Spindles

Abstract:

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As the fluid dynamic bearing spindles are to be actively adopted to various small form factor mobile applications, mechanical specifications for the motors have been aggressively changed to pursue the fierce information technology sector market trend. One of the major technological challenges for the spindles to be successfully employed in the applications is the reduction of power consumption since the most of the mobile applications operate with a limited power source at relatively lower voltage. Recognizing implication of the power consumption that of course affects stiffness of the spindle, few of options for mechanical designers are available but either lowering rotational speed or adopting thinner lubricant. In the present work, a novel design solution for alleviating side effect of the lower stiffness spindle is introduced and verified.

Info:

Periodical:

Key Engineering Materials (Volumes 326-328)

Edited by:

Soon-Bok Lee and Yun-Jae Kim

Pages:

1595-1598

DOI:

10.4028/www.scientific.net/KEM.326-328.1595

Citation:

D. H. Oh et al., "Nonsymmetric Groove Pattern Design for Precise Micro-Spindles", Key Engineering Materials, Vols. 326-328, pp. 1595-1598, 2006

Online since:

December 2006

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Price:

$35.00

[1] T. Hwang, K. Ono, Analysis and design of hydrodynamic journal air bearings for high performance HDD spindle, Micro-system Technologies 9 (2003), pp.386-394.

DOI: 10.1007/s00542-002-0268-5

[2] K, Ono, etc, Analysis of non-repeatable radial vibration of magnetic disk spindles, JSPE, Vol. 5, No. 5 (1989).

[3] J. C. Koo, N. H. Lee, J. M. Kwon, Automation of Feature Modeling for Fluid Dynamic Bearing Design, KSNVE, Vol. 15, No. 2, pp.148-155, (2005).

[4] Benard J. Hamrock: Fundamentals of Fluid Film Lubrication (McGrw-Hill, Inc. 1994).

[5] Lund, J. W, Review of the Concept of Dynamic Coefficients for Fluid Film Journal Bearings, ASME Trans., J. Tribology, Vol. 109, No. 1 (1987), pp.37-41.

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