NDLI: Effects of the Fluid Dynamic Bearing Design on Rotational Precision of a Spindle Motor

Content Provider	IEEE Xplore Digital Library
Author	Chien-Sheng Liu Ying-Chi Chuo Po-Heng Lin Meng-Che Tsai Yu-Hsiu Chang Ji-Bin Horng
Copyright Year	1965
Abstract	This paper presents the effects of the fluid dynamic bearing (FDB) design on the rotational precision of a spindle motor used for drivers requiring higher recording density and data transfer rate. Adopting the numerical flow field analysis on the FDB, the developed motor has robust operating stability in an operational window. The FDB provides the optimal load capacity demonstrated by the experimental results. In addition, the developed motor has excellent axial repeatable run-out performance less than 4 mum
Sponsorship	IEEE Magnetics Society
Starting Page	790
Ending Page	792
Page Count	3
File Size	1260593
File Format	PDF
ISSN	00189464
Volume Number	43
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fluid dynamics Permanent magnet motors Robust stability Torque Optical devices Rail to rail outputs Electromagnetic measurements Optical design Laser applications Stability analysis storage Fluid dynamic bearing (FDB) motors simulation
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Effects of the Fluid Dynamic Bearing Design on Rotational Precision of a Spindle Motor