Abrading – Precision device or process - or with condition responsive... – Computer controlled
Patent
1997-12-15
1999-10-19
Rose, Robert A.
Abrading
Precision device or process - or with condition responsive...
Computer controlled
451 10, 451 11, 451256, B24B 4900
Patent
active
059678798
ABSTRACT:
A process and system to machine and in particular to grind eyeglass lenses, with at least one machining tool, a grinding disk, a rotatable holder for an eyeglass lens blank, a unit to control machining in accordance with predetermined optical values and/or a predetermined circumferential contour of the eyeglass lens, a CNC-controlled handling unit for exactly positioned insertion of an eyeglass lens blank in the holder, a control unit for the handling unit, and an input device for the decentration values for the predetermined circumferential contour in reference to the optical axis of the eyeglass lens. The utilization of the handling unit eliminates the difficult and time-consuming manual centering of the eyeglass lens blank. Multiple eyeglass lens grinding machines can be loaded by the handling unit.
REFERENCES:
patent: 5148637 (1992-09-01), Byron
patent: 5231587 (1993-07-01), Frost
patent: 5257198 (1993-10-01), Van Schoyck
patent: 5333412 (1994-08-01), Matsuyama
patent: 5341604 (1994-08-01), Wood
patent: 5454194 (1995-10-01), Gottschald
Marinangeli M. G.
Nguyen George
Rose Robert A.
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