Analysis of Vibration Caused by Ball Bearing in a HDD Spindle System at Elevated Temperature

D.K. Kim; G.H. Jang

doi:10.4028/www.scientific.net/KEM.321-323.1624

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 321-323Analysis of Vibration Caused by Ball Bearing in a...

Analysis of Vibration Caused by Ball Bearing in a HDD Spindle System at Elevated Temperature

Abstract:

This research investigates the vibration caused by ball bearing in a HDD spindle system, specifically non-repeatable runout (NRRO), at elevated temperature by analyzing the characteristics of ball bearing and the natural vibration characteristics of the spindle system due to the effect of elevated temperature. It shows that the elevated temperature results in the decrease of bearing deformation in the spindle system, which reduces the bearing stiffness and the natural frequencies of the spindle system consequently. It has a significant effect on the amplitude and the frequency distribution of NRRO at elevated temperature.

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Periodical:

Key Engineering Materials (Volumes 321-323)

Pages:

1624-1628

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.321-323.1624

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Online since:

October 2006

Authors:

D.K. Kim, G.H. Jang

Keywords:

Ball Bearing, HDD, NRRO, Temperature, Vibration

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References

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