Method for adjusting rotation balance of disk and device for the same
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United States of America Patent
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Sep 22, 1998
Grant Date -
N/A
app pub date -
Dec 3, 1996
filing date -
Dec 7, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a method and apparatus to adjust the rotation balance of a disk with high accuracy and ease during manufacturing. A disk is attached to a spindle to form a disk assembly having an adjustable center of gravity. The disk assembly is rotated and thereby generates vibration. A force, which is a function of the vibration, is applied to one or more components of the disk assembly to reduce vibration of the disk assembly below a predetermined value thereby causing the disk assembly to have a second center of gravity.
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