DocumentCode
2041537
Title
Charge generation and bleed-off in spindle motors with ceramic ball bearings
Author
Klaassen, K.B. ; van Peppen, J.C.L.
Author_Institution
IBM Almaden Res. Center, San Jose, CA, USA
fYear
2003
fDate
March 30 2003-April 3 2003
Abstract
In this paper, the negative voltage between the rotor and stator of the spindle motor is determined by the equilibrium between the charge generation in the bearings and the charge bleed-off in the ferro-fluid seal of the motor.
Keywords
ball bearings; capacitance; ceramics; electric charge; machine tool spindles; magnetic fluids; sealing materials; ceramic ball bearings; charge bleed off; charge generation; ferro-fluid seal; negative voltage; rotor; spindle motors; stator; Ball bearings; Ceramics; Charge transfer; Circuits; Current measurement; Seals; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Magnetics Conference, 2003. INTERMAG 2003. IEEE International
Conference_Location
Boston, MA, USA
Print_ISBN
0-7803-7647-1
Type
conf
DOI
10.1109/INTMAG.2003.1230271
Filename
1230271
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