Proceedings of JSME-IIP/ASME-ISPS Joint Conference on Micromechatronics for Information and Precision Equipment : IIP/ISPS joint MIPE
Online ISSN : 2424-3132
セッションID: HDI-09
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HDI-09 APPLICATION OF SQP METHOD IN DESIGNING THRUST AIR BEARING FOR HARD DISK DRIVE SPINDLE MOTOR(Head/Disk Interface and Tribology III,Technical Program of Oral Presentations)
M. D. IBRAHIMTadashi NAMBAMasayuki OCHIAIHiromu HASHIMOTO
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This article discusses the advantage and potential of air bearing being used in hard disk drive (HDD) to replace the conventional oil-lubricated bearing HDD. The designing of these air-lubricated bearing is conducted with the optimization of bearings groove designs through the combination of direct search and Successive Quadratic Programming (SQP) method. Characteristics compared to the conventional oil-lubricated bearings of a spiral groove showed promising improvements where a new geometry of a modified spiral groove has been found. The new design holds higher performance characteristics compared to the conventional spiral grooved bearings and the calculation results are shown.
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