Device for polishing an optical lens or an optical mirror and method for polishing an optical lens or an optical mirror

Abstract

A device for polishing an optical lens or an optical mirror, using a liquid polishing agent, has a workpiece carrier for establishing at least a first surface of the optical lens or of the optical mirror. The workpiece carrier has a porous and elastic lining for establishing the at least one first surface of the optical lens or of the optical mirror, and the lining is configured as a lining that is permeable for the polishing agent. Furthermore, a method polishes an optical lens or an optical mirror.

1 . A device for polishing an optical lens or an optical mirror, using a liquid polishing agent, wherein the device has a workpiece carrier for establishing at least a first surface of the optical lens or of the optical mirror, wherein the workpiece carrier ( 1 ) has a porous and elastic lining ( 4 ) for establishing the at least one first surface ( 3 ) of the optical lens ( 2 ) or of the optical mirror, and that wherein the lining ( 4 ) is configured as a lining ( 4 ) that is permeable for the polishing agent ( 8 ). 
     
     
         2 . The device according to  claim 1 , wherein during a polishing process, a layer ( 10 ) composed of polishing agent ( 8 ) is formed between the first surface ( 3 ) of the optical lens ( 2 ) or of the optical mirror, and the lining ( 4 ). 
     
     
         3 . The device according to  claim 1 or 2 , wherein the lining ( 4 ) comprises an elastomer that is permeable for liquid, or an elastic form material, in particular foam rubber or sponge rubber. 
     
     
         4 . The device according to  claim 1 , wherein the lining ( 4 ) is configured to be adapted to a shape of the first surface ( 3 ) of the optical lens ( 2 ) or of the optical mirror, and wherein the lining ( 4 ) is arranged in or on the workpiece carrier ( 1 ) so as to be replaceable. 
     
     
         5 . The device according to  claim 1 , wherein at least one line for the polishing agent ( 8 ) is arranged in the workpiece carrier ( 1 ). 
     
     
         6 . The device according to  claim 5 , wherein the at least one line ( 9 ) has a pipe ( 21 ) that is arranged to slide in the axial direction in the line ( 9 ). 
     
     
         7 . The device according to  claim 1 , wherein a lens guide ring ( 11 ) is provided for alignment, preferably for centered alignment of the optical lens ( 2 ) or of the optical mirror on the lining ( 4 ). 
     
     
         8 . The device according to  claim 7 , wherein a gap ( 12 ) for the polishing agent ( 8 ) is arranged between the lens guide ring ( 11 ) and the optical lens ( 2 ) or the optical mirror. 
     
     
         9 . A method for polishing an optical lens or an optical mirror, using a polishing agent, using the device according to  claim 1 , the method comprising:
 passing, during a polishing process, the polishing agent ( 8 ) through the lining ( 4 ),   forming a layer ( 10 ) composed of polishing agent ( 8 ) between the lining ( 4 ) and the first surface ( 3 ) of the optical lens ( 2 ) or of the optical mirror, and   forming a layer ( 13 ) composed of polishing agent ( 8 ) between a polishing tool ( 6 ) and a second surface ( 5 ) of the optical lens ( 2 ) or of the optical mirror.   
     
     
         10 . The method according to  claim 9 , wherein the polishing agent ( 8 ) flows through the gap ( 12 ) between the guide ring ( 11 ) and the optical lens ( 2 ) or the optical mirror after exiting from the lining ( 4 ) and after the formation of the layer ( 10 ) between the lining ( 4 ) and the optical lens ( 2 ) or the optical mirror, and wherein the polishing agent ( 8 ) is subsequently used on the second surface ( 5 ) of the optical lens ( 2 ) or of the optical mirror, for polishing the second surface ( 5 ). 
     
     
         11 . The method according to  claim 9 , wherein the polishing agent ( 8 ) cools the first surface ( 3 ), a side surface, and the second surface ( 5 ) of the optical lens ( 2 ) or of the optical mirror. 
     
     
         12 . The method according to  claim 9 , wherein the polishing agent ( 8 ) produces a constant pressure (F N ) on the entire surface area of the first surface ( 3 ) of the optical lens ( 2 ) or of the optical mirror. 
     
     
         13 . The method according to  claim 9 , wherein the polishing agent ( 8 ) flows through the lining ( 4 ) at a constant flow velocity.