Dynamic force measurement of a head arm assembly of a hard disk drive by numerical analysis and experiments

Author

Gu, B. ; Shu, D.W. ; Fujii, Y. ; Shi, B.J.

Author_Institution

Sch. of Mech. & Aerosp. Eng., Nanyang Technol. Univ., Singapore

fYear

2009

fDate

14-16 Jan. 2009

Firstpage

1

Lastpage

2

Abstract

In this paper, dynamic forces of a head ar, assembly (HAA) of a hard disk drive (HDD) against an impact load and in free oscillation after an impact load are obtained by means of finite element analysis (FEA) and by carrying out experiments using a modified levitation mass method (LNINI). A good correlation between the experimental and numerical results is achieved. The effectiveness of both FE simulation and LMM method in measuring the minute dynamic forces involved in HDDs is evaluated.

Keywords

disc drives; finite element analysis; force measurement; hard discs; magnetic heads; dynamic force measurement; finite element analysis; hard disk drive; head arm assembly; impact load; levitation mass method; Aerodynamics; Assembly; Electric shock; Finite element methods; Force measurement; Frequency measurement; Hard disks; Levitation; Numerical analysis; Shape measurement; Dynamic force; Finite element analysis; Hard disk drive; Levitation mass method;

fLanguage

English

Publisher

ieee

Conference_Titel

Magnetic Recording Conference, 2009. APMRC '09. Asia-Pacific

Conference_Location

Singapore

Print_ISBN

978-9810-82191-3

Type

conf

DOI

10.1109/APMRC.2009.4925380

Filename

4925380