Balance correction station for a disc drive

Details Balance correction station for a disc drive Balance correction station for a disc drive

1998-04-30

2000-08-01

Hughes, S. Thomas

Metal working

Method of mechanical manufacture

Electrical device making

2940701, 29709, 29737, 29783, 29784, 29791, 29799, 73 66, 73460, 73462, G11B 5127

Patent

active

060948043

ABSTRACT:
An apparatus and method for automatically correcting the dynamic imbalance of a disc pack of a disc drive, the disc pack conveyed to a first selected position in a balance correction assembly station where a rotary positioner lifts and rotates the disc pack to a reference position for the attachment of weighted shims to the disc pack. A shim selector assembly delivers a selected shim, and an end effector transfers the selected shim to a shim attachment assembly. The shim attachment assembly rotates and spreads open the shim so that the disc pack can be receivingly engaged thereby, and the shim attachment assembly releases the selected shim to lockingly engage the disc pack. A flipping assembly reverses the disc pack for placement of another selected shim to the other end of the disc pack, as required.

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