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TECHNICAL PAPERS

Finite Element Analysis of a Computer Hard Disk Drive Under Shock

[+] Author and Article Information
Chen-Chi Lin

Western Digital Corporation, 5863 Rue Ferrari, San Jose, CA 95138

J. Mech. Des 124(1), 121-125 (Oct 01, 2000) (5 pages) doi:10.1115/1.1424299 History: Received October 01, 2000
Copyright © 2002 by ASME
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References

Figures

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(a) A computer hard disk drive finite element model (cover not shown). (b) The sliders and the disk
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Acceleration, velocity, and displacement of a 300 g, 0.002 second half sine shock pulse.
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(a) The deflection of the nodes at motor base, disk inner diameter, disk outer diameter, and slider 0 when the drive is under a 275 g, 0.002 second shock pulse. (b) The deflection of the nodes at motor base, disk inner diameter, disk outer diameter, and slider 1 when the drive is under a −275 g, 0.002 second shock pulse.
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The deflection of the nodes at swage plate 0, swage plate 1, and disk under swage plate when the drive is under a 275 g, 0.002 second shock pulse.
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The deflection of the nodes at motor base, disk inner diameter, disk outer diameter, and slider 0 when the drive is under a 250 g, 0.001 second shock pulse.
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The 300 g, 0.001 second half sine shock pulse and its discrete Fourier Transform.
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The 300 g, 0.002 second half sine shock pulse and its discrete Fourier Transform.
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The deflection of the nodes at disk outer diameter when the drive is under a 275 g, 0.002 second shock pulse.

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