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Vibration Analysis of Hard Disk Drive System
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 Title & Authors
Vibration Analysis of Hard Disk Drive System
Im, Seung-Cheol; Gwak, Byeong-Mun; Jeon, Sang-Bok;
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This paper relates to the flexural vibration analysis of the hard disk drive (HDD) spindle systems by means of the finite element method. In contrast to previous researches, every system componebt is here analytically modeled taking into account its flexibility and also the centrifugal effect particularly for the disk. To prove the effectiveness and accuracy of the proposed method, commercial HDD spindle systems with two and three identical disks are chosen as examples. Then, their major flexural natural modes are computed employing only a small number of element meshes as the shaft rotaional speed is varied, and compared with the bumerical or experimental results.
Finite Element Method;Spindle System;Flexural Vibration;Flexibility;Isotropic System;Campbell Diagram;Frequency Response Fuction;Couypling;
 Cited by
(1) Lee, C. W., Park, S. W., and Rim, K. H., 1989, 'Free Vibration of a Spinning Annular Disk Subjected to Radial Tension,' Proc. of ASIA Vibration Conference, Shenzen, China, pp. 439-444

Shahab, A. A. S., and Thomas, J., 1987, 'Coupling Effects of Disc Flexibility on the Dynamic Behavior of Multi Disc-Shaft Systems,' J. of Sound and Vibration, Vol. 114, No. 3, pp. 435-452 crossref(new window)

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