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Analysis of vibration caused by ball bearing in a HDD spindle system at elevated temperature
- Authors
- Kim, Dong Kyun; Jang, Gun Hee
- Issue Date
- Oct-2006
- Publisher
- Trans Tech Publications Ltd.
- Keywords
- NRRO; ball bearing; temperature; HDD; vibration
- Citation
- Key Engineering Materials, v.321-323, pp 1624 - 1628
- Pages
- 5
- Indexed
- SCIE
SCOPUS
- Journal Title
- Key Engineering Materials
- Volume
- 321-323
- Start Page
- 1624
- End Page
- 1628
- ISSN
- 1013-9826
1662-9795
- 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 defon-nation 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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