Eyeglass lens processing apparatus
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United States of America Patent
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Dec 18, 2012
Grant Date -
Jul 9, 2009
app pub date -
Dec 8, 2008
filing date -
Dec 8, 2008
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
An eyeglass lens processing apparatus includes a processing control unit (50) which in the soft processing mode, roughs the lens such that the torque threshold value is set to a value Tθs lower than the threshold value TθN of a normal processing mode, and when torque detected by a sensor unit does not exceed the threshold value Tθs, a axis-to-axis distance varying unit or a lens rotating unit is controlled so that a cutting amount per rotation of the lens reaches a threshold cutting amount, and when the detected torque exceeds the threshold value Tθs, the axis-to-axis distance varying unit or the lens rotating unit is controlled so that the torque becomes lower than the threshold value Tθs to decrease the threshold cutting amount.
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