Title :
Some design and prototyping issues on a 20 krpm HDD spindle motor with a ferro-fluid bearing system
Author :
Chen, S.X. ; Zhang, Q.D. ; Chong, H.C. ; Komatsu, Teruhisa ; Kang, C.H.
Author_Institution :
Data Storage Inst., Singapore
Abstract :
A high-speed ferro-fluid bearing spindle motor is introduced. Some design challenges and considerations are addressed. The testing results of the prototypes are presented. The results shown indicate that the objective of developing a high-speed, high performance fluid bearing spindle is fulfilled.
Keywords :
disc drives; hard discs; magnetic bearings; magnetic fluids; small electric machines; design; ferrofluid bearing; hard disk drive; prototyping; spindle motor; Acoustic noise; Brushless DC motors; DC motors; Hard disks; Lubricants; Magnetic levitation; Memory; Prototypes; Seals; Testing;
Conference_Titel :
Asia-Pacific Magnetic Recording Conference, 2000. APMRC 2000
Conference_Location :
Tokyo, Japan
Print_ISBN :
0-7803-6254-3
DOI :
10.1109/APMRC.2000.898902
