System and method for holding and releasing a workpiece for electrochemical machining
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United States of America Patent
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Sep 18, 2007
Grant Date -
Jul 22, 2004
app pub date -
Dec 22, 2003
filing date -
Jan 21, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method are described for holding and releasing a workpiece for electrochemical machining. In one embodiment, a workpiece holder has a workpiece surface that couples to the workpiece when negative pressure is applied to provide a seal between the workpiece and the workpiece surface. A plenum located within the workpiece holder has a proximal end capable of being removably coupled to the workpiece. A piston is configured to move upward in the plenum and to lift the workpiece off of the workpiece surface in response to positive pressure being applied.
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