Device for grinding, precision-grinding and/or polishing of workpieces in optical quality, particularly of spherical lens surfaces in precision optics
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United States of America Patent
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Sep 20, 2016
Grant Date -
Sep 17, 2015
app pub date -
Mar 16, 2015
filing date -
Mar 17, 2014
priority date (Note) -
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Abstract
A device for grinding and/or polishing of, in particular, precision-optical spherical lens surfaces has a machine frame, a tool spindle for rotational drive of a tool about a tool axis of rotation and a workpiece spindle for rotational drive of a workpiece about a workpiece axis of rotation. The tool spindle and workpiece spindle are capable of axial relative adjustment in first and second directions extending perpendicularly to one another and in addition pivotable about a pivot axis in a pivot plane relative to one another. Equipment for cross-grinding adjustment is provided, which has an adjusting mechanism to position the workpiece spindle in a third direction extending perpendicularly to the first and second directions. A clamping mechanism activatable independently of the adjusting mechanism serves the purpose of fixing the workpiece spindle, once positioned, with respect to the machine frame.
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