Simultaneous turning device for fabrication of eyeglass lenses
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United States of America Patent
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Jul 17, 2018
Grant Date -
Mar 17, 2016
app pub date -
Sep 4, 2015
filing date -
Sep 17, 2014
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Abstract
A turning device has two turning stations, each with a rotatable work piece spindle to hold a lens blank and each with a turning tool for the machining of a lens blank. A fabrication mechanism for the manufacturing of eyeglass lenses from lens blanks includes a milling device and the turning device, wherein the milling device has at least one milling station with a work piece holder to hold a lens blank and a milling tool for the machining of the lens blank. A loading device is configured to remove lens blanks from the milling device and load them into the turning device. A method for operating such a fabrication mechanism includes simultaneous machining of a third lens blank with the milling tool and a first and a second lens blank with the turning tools.
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