Title :
Evaluation of fluid dynamic bearing spindle by vibration base
Author :
Miwa, M. ; Miyazaki, H. ; Kaneko, R. ; Unozawa, H.
Author_Institution :
Dept. of Opto-Mechatronics, Wakayama Univ., Japan
Abstract :
We propose a new evaluation method for damping characteristics and frequency characteristics of these bearing spindles using a high-frequency vibration base. In this study, we measured damping characteristics and frequency characteristics of these bearing spindles using the high-frequency vibration base. Damping coefficient and other parameters were estimated by step response and its simulation results.
Keywords :
damping; fluid dynamics; machine bearings; vibrations; damping effect; ferro fluid; fluid dynamic bearing; frequency characteristics; step response evaluation; vibration base; Actuators; Amplifiers; Ball bearings; Damping; Driver circuits; Fluid dynamics; Frequency; Hard disks; Parameter estimation; Vibration measurement;
Conference_Titel :
Asia-Pacific Magnetic Recording Conference, 2004. APMRC 2004
Print_ISBN :
0-7803-8717-1
DOI :
10.1109/APMRC.2004.1521936
