Method of assembling an actuator assembly of a disk drive and of reducing torque out retention values in subsequent de-swaging
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United States of America Patent
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Apr 11, 2006
Issued Date -
N/A
app pub date -
Oct 10, 2001
filing date -
Oct 10, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method is provided for assembling an actuator assembly of a disk drive. The method includes providing an actuator arm, providing a suspension arm, fixing a swage plate to the suspension arm, the swage plate including a swage boss extending therefrom, depositing a film lubricant upon at least an outer surface of the swage boss, and attaching the suspension arm to the actuator arm by swaging. A method is also provided for reducing torque out retention values between the actuator arm and the suspension arm when the actuator arm and suspension arm must be separated in a subsequent de-swaging process. This method includes providing an outer surface of the swage boss, and applying a lubricant film coating to the outer surface of the swage boss. A preferred thin film lubricant may be applied by emersion and draining, localized spraying, or various deposition processes. Application of the lubricant has also shown to improve gram load uniformity and to reduce adverse distortion to the actuator assembly which otherwise occurs during swaging.
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