Torque and cogging torque in sandwich type CD-ROM spindle motor

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 1998Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Magnetics, volume 34, pages 471-473 (issn: 0018-9464,

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Authors: C.M. Chao; S.J. Wang; C.P. Liao; D.R. Huang; T.F. Ying;

doi: 10.1109/20.667795

Torque and cogging torque in sandwich type CD-ROM spindle motor

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Abstract

The sandwich type CD-ROM spindle motor has intrinsic dominance of manufacture and cost. This paper will propose a reference formula of torque constant Kt according to the experimental results, accounting for the mechanism of dead point, and finally introducing a design method to prevent dead point and to reduce the cogging torque.

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