Workpiece auto-centering apparatus and auto-centering method
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United States of America Patent
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Oct 16, 2018
Grant Date -
May 4, 2017
app pub date -
May 22, 2015
filing date -
Jun 4, 2014
priority date (Note) -
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Abstract
An air bearing slide (20) arranged on a rotational table (11) includes a movable table (40) that has a workpiece placement surface (42a) and that floats due to pressure of compression air to be movable horizontally in any direction. A workpiece auto-centering apparatus includes: a plurality of stopper apparatuses (30) that include an abutment portion (31a) against which a workpiece W can abut to center the workpiece W, and a pressing apparatus that presses the workpiece (W) such that the workpiece (W) abuts against the abutment portion (31a) of the stopper apparatuses (30). Thus, the workpiece auto-centering apparatus and auto-centering method have a simple configuration and can perform a workpiece centering operation in short cycle time.
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