This paper describes the application of robust optimum design using the statistical method to the design of fluid dynamic bearings used for HDD spindle motors. Fluid dynamic bearings for HDD spindle motors are very small and generally manufactured by mass production process. Therefore, the bearings are demanded to easily manufacture the bearings and expected an insensitive design of the bearing which mean having low variability of bearing characteristics towards manufacturing errors. Hence, in this paper, the influence of bearing characteristics upon the occurrence of the manufacturing errors is conducted using the statistical method. As a result, the bearing with low variability of bearing characteristics can be obtained with the application of the new optimization method with the consideration of dimensional tolerances.
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ASME/STLE 2011 International Joint Tribology Conference
October 24–26, 2011
Los Angeles, California, USA
Conference Sponsors:
- Tribology Division
ISBN:
978-0-7918-5474-7
PROCEEDINGS PAPER
Robust Optimum Design of Fluid Dynamic Bearing for 2.5 Inch HDD Using Statistical Method
Hiromu Hashimoto,
Hiromu Hashimoto
Tokai University, Hiratsuka, Kanagawa, Japan
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Masayuki Ochiai,
Masayuki Ochiai
Tokai University, Hiratsuka, Kanagawa, Japan
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Yuta Sunami
Yuta Sunami
Tokai University, Hiratsuka, Kanagawa, Japan
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Hiromu Hashimoto
Tokai University, Hiratsuka, Kanagawa, Japan
Masayuki Ochiai
Tokai University, Hiratsuka, Kanagawa, Japan
Yuta Sunami
Tokai University, Hiratsuka, Kanagawa, Japan
Paper No:
IJTC2011-61063, pp. 123-125; 3 pages
Published Online:
February 9, 2012
Citation
Hashimoto, H, Ochiai, M, & Sunami, Y. "Robust Optimum Design of Fluid Dynamic Bearing for 2.5 Inch HDD Using Statistical Method." Proceedings of the ASME/STLE 2011 International Joint Tribology Conference. ASME/STLE 2011 Joint Tribology Conference. Los Angeles, California, USA. October 24–26, 2011. pp. 123-125. ASME. https://doi.org/10.1115/IJTC2011-61063
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