Shock response of the clamped disk in small form factor hard disk drive

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/85176

Title: Shock response of the clamped disk in small form factor hard disk drive
Author(s): Gu, Bin; Shu, Dongwei; Shi, Baojun; Lu, Guoxing
Abstract: As small form factor (one-inch and smaller) hard disk drives are widely used in portable consumer appliances and gadgets, their mechanical robustness is of greater concern. In the previous work, it is found that when the disk is more tightly clamped, it helps to decrease the shock response of the disk and then avoid the head slap. In this paper, the real boundary condition of the disk for a small form factor hard disk drive from Seagate is investigated numerically. The disk is clamped between the clamp and the hub. The shock response of the disk under a half-sine acceleration pulse is simulated by using the finite element method. In the finite element model, both contact between disk and clamp and contact between disk and hub are considered. According to the simulation results, how to decrease the shock response of the disk is suggested.
Publication type: Journal article
Source: International Journal of Modern Physics B, Vol. 22, no. 9-11 (Apr 2008), pp. 1592-1597
Publication year: 2008
FOR Code(s): 01 Mathematical Sciences; 02 Physical Sciences
Keyword(s): Finite element method; Hard disk drive; Shock response
Publisher: World Scientific Publishing
ISSN: 0217-9792
Publisher URL: http://dx.doi.org/10.1142/S0217979208047122
Peer reviewed