Device for machining optical workpieces
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United States of America Patent
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-
May 28, 2002
Grant Date -
Jan 17, 2002
app pub date -
Jun 25, 2001
filing date -
Jun 26, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A very versatile device is proposed for high-precision machining of optical workpieces, in particular optical lenses, which comprises a horizontally displaceable gantry with at least one vertically displaceable tool spindle and a yoke with workpiece holding means mounted so as to be rotatable about a swivel axis by means of journals fitted on both sides. For swivelling of the yoke without gearing and therefore without backlash, a torque motor is provided concentrically to the swivel axis, which motor is directly connected actively with one of the journals.
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