DocumentCode
2823967
Title
Frequency characteristics of stiffness and damping effect of magnetic fluid bearing
Author
Miwa, M. ; Harita, K. ; Kaneko, R. ; Ishzaki, H.
Author_Institution
Dept. of Opto-Mech., Wakayama Univ., Japan
fYear
2000
fDate
6-8 Nov. 2000
Abstract
In this study, we measured damping characteristics and frequency characteristics of magnetic fluid bearing spindles using a high-frequency vibration base by a piezo actuator. Using the high-frequency vibration base, high frequency excitation was added to magnetic fluid bearing spindles mounted on the vibration base, and we proved that magnetic fluid bearing spindles have effective damping. Also the damping effect became larger with higher spindle rotational speed.
Keywords
damping; disc drives; machine bearings; magnetic fluids; piezoelectric actuators; vibrations; damping; disk drive; high frequency excitation; magnetic fluid bearing; magnetic recording; piezoelectric actuator; spindle; stiffness; vibration base; Ball bearings; Damping; Disk drives; Disk recording; Frequency measurement; Magnetic heads; Magnetic liquids; Magnetic recording; Optical recording; Vibration measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Asia-Pacific Magnetic Recording Conference, 2000. APMRC 2000
Conference_Location
Tokyo, Japan
Print_ISBN
0-7803-6254-3
Type
conf
DOI
10.1109/APMRC.2000.898941
Filename
898941
Link To Document