SPINDLE MOTOR

PROBLEM TO BE SOLVED: To reduce vibration of a spindle motor during high-speed rotation and improve breaking strength by the centrifugal force of a rotor magnet (drive magnet). SOLUTION: A hub or the like comprising a drive magnet rotates at 10,000 rpm or higher, using a manganese aluminum carbon ma...

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Bibliographic Details
Main Authors TANAKA KATSUHIKO, OKANO HIDEO
Format Patent
LanguageEnglish
Published 11.05.2001
Edition7
Subjects
BEARINGS
BLASTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
GENERATION
HEATING
LIGHTING
MECHANICAL ENGINEERING
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To reduce vibration of a spindle motor during high-speed rotation and improve breaking strength by the centrifugal force of a rotor magnet (drive magnet). SOLUTION: A hub or the like comprising a drive magnet rotates at 10,000 rpm or higher, using a manganese aluminum carbon magnet as a drive magnet.
Bibliography:Application Number: JP19990302113