Title :
Experimental determination of HDD FDB bearing characteristics
Author :
Lee, Chul Wook ; Gao, Feng ; Lin, W.Z. ; Liu, M.J. ; Shen, I.Y.
Author_Institution :
Data Storage Inst., Agency for Sci., Technol. & Res. (A*STAR), Singapore, Singapore
fDate :
Oct. 31 2012-Nov. 2 2012
Abstract :
An experimental method using dummy masses is used to determine the fly height characteristics of HDD thrust bearings under different loading conditions. Numerical simulation results indicate that the behavior of the predicted fly height matches closely with experimental data. The frequency response of the FDB bearing - dummy mass system is measured while excited by an impact hammer. The (0,1) rocking modes of the system becomes obvious and easily measurable with the addition of the proof masses.
Keywords :
disc drives; fluid dynamics; hard discs; impact (mechanical); machine bearings; numerical analysis; HDD FDB bearing characteristics; HDD thrust bearing; dummy mass; fluid dynamic bearing; fly height characteristics; frequency response; hard disc drives; impact hammer; loading condition; numerical simulation; fluid dynamic bearing; hard disk drive; thrust bearing stiffness;
Conference_Titel :
APMRC, 2012 Digest
Conference_Location :
Singapore
Print_ISBN :
978-1-4673-4734-1
