Design considerations of a contact slider and bouncing vibration in near-contact regime

Author

Ono, Kyosuke

Author_Institution

Dept. of Mech. & Control Eng., Tokyo Inst. of Technol., Japan

Volume

40

Issue

4

fYear

2004

fDate

7/1/2004 12:00:00 AM

Firstpage

3136

Lastpage

3141

Abstract

This article introduces the results of our recent study on the design conditions for a contact and near-contact slider and friction-induced bouncing vibrations in a near-contact regime, based on computer simulations using a simple dynamical model of slider, air-bearing, and disk systems. Basic design conditions for contact sliding are discussed. The contact force and attractive force in asperity contact with a lubricant layer and bulk deformation are calculated numerically. Flying height hysteresis and bouncing vibration of a flying slider that are experimentally observed in nanometer spacing can be obtained by the simulation.

Keywords

disc drives; magnetic hysteresis; magnetic recording; vibrations; air-bearing; asperity contact; attractive force; bouncing vibration; bulk deformation; computer simulation; contact force; contact slider design; disk systems; flying height hysteresis; flying slider; friction-induced bouncing vibrations; head-disk interface; lubricant layer; nanometer spacing; near-contact slider; Computer simulation; Disk recording; Frequency; Hard disks; Hysteresis; Lubricants; Rough surfaces; Spinning; Surface roughness; Vibrations; Bouncing vibration; contact slider; head–disk interface; near-contact slider;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2004.828994

Filename

1325756