A numerical study of the dimple/gimbal interface in a hard disk drive

Longqiu Li; Hao Zheng; Edmund B. Fanslau; Frank E. Talke

doi:10.1007/s00542-011-1271-5

A numerical study of the dimple/gimbal interface in a hard disk drive

Longqiu Li^*
, Hao Zheng
, Edmund B. Fanslau
, Frank E. Talke

^*Corresponding author for this work

School of Mechatronics Engineering

University of California at San Diego
NHK International Corp.

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

A finite element (FE) model for the dimple/gimbal interface of a hard disk drive is developed as a function of normal load, friction coefficient, material properties and dimple geometry. The air bearing force is approximated as a normal load acting on the slider. A rotational acceleration was applied to the dimple to simulate accessing of a hard disk drive suspension during seeking. Results for the relative displacement between the dimple and the gimbal are determined for a typical suspension as a function of normal load, rotational acceleration, friction coefficient, material properties and geometrical parameters of suspension and flexure.

Original language	English
Pages (from-to)	869-873
Number of pages	5
Journal	Microsystem Technologies
Volume	17
Issue number	5-7
DOIs	https://doi.org/10.1007/s00542-011-1271-5
State	Published - Jun 2011

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abstract = "A finite element (FE) model for the dimple/gimbal interface of a hard disk drive is developed as a function of normal load, friction coefficient, material properties and dimple geometry. The air bearing force is approximated as a normal load acting on the slider. A rotational acceleration was applied to the dimple to simulate accessing of a hard disk drive suspension during seeking. Results for the relative displacement between the dimple and the gimbal are determined for a typical suspension as a function of normal load, rotational acceleration, friction coefficient, material properties and geometrical parameters of suspension and flexure.",

author = "Longqiu Li and Hao Zheng and Fanslau, \{Edmund B.\} and Talke, \{Frank E.\}",

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AU - Talke, Frank E.

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AB - A finite element (FE) model for the dimple/gimbal interface of a hard disk drive is developed as a function of normal load, friction coefficient, material properties and dimple geometry. The air bearing force is approximated as a normal load acting on the slider. A rotational acceleration was applied to the dimple to simulate accessing of a hard disk drive suspension during seeking. Results for the relative displacement between the dimple and the gimbal are determined for a typical suspension as a function of normal load, rotational acceleration, friction coefficient, material properties and geometrical parameters of suspension and flexure.

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A numerical study of the dimple/gimbal interface in a hard disk drive

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