Dynamic action abrasive lapping workholder
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United States of America Patent
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Apr 30, 2013
Grant Date -
Apr 12, 2012
app pub date -
Oct 12, 2010
filing date -
Oct 12, 2010
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for quickly moving workpieces from having abrading contact with abrasive-surfaced rotatable platens using a dynamic-action workholder apparatus frame moving device that is activated by a sensor. Flat-surfaced workpieces are attached to flat-surfaced workholders to abrade one surface of the workpieces by abrasive coated platens. The force moving device can be a spring, an air cylinder, a screw-jack, an electric solenoid or a piezo-electric device. The sensor can be a vibration, shock, motion, force or sound sensor that can to sense abrading process events that could make it desirable to quickly activate moving of the workpieces away from the abrasive disk. The workpiece abrading event can be quickly interrupted by use of this device to avoid damage to workpieces, the abrasive disks or the platen or to quickly change an abrading process. After the workpieces are moved they can be returned to their original abrading position.
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