[ATM] Device against Astigmatism in Machine Polishing

["Martin Cibulski" <martin.cibulski@t-online.de>]

Hi,

a few days ago I built two small devices onto my polishing machine:

http://www.martin-cibulski.de/atm/grinding_machine_2/mirror_turning_clamps.jpg

The small wheels are held by bars and rotate with the mirror on the 
table.

If I press the wheels against the mirror using my hands for a moment the 
mirror is turned a bit forward on its support.
So astigmatism is avoided and thin mirrors can be polished on a machine 
TOT.
If I add spring loaded bars at both sides of the turntable this happens 
automatically every half turn of the mirror.

Tests will show if the grasp from the wheels will make astigmatism too 
;-(

Regards,
Martin Cibulski
http://www.martin-cibulski.de/atm/

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