Originally Posted by
Mike Fretto
We are interested in some input on the proper drill speed for poly lenses. We are using the Smart Drill System and seem to be having some problems with the bushings on Sillhouette frames fitting a little loose. We changed the bit to a brand new one and just started using a drill seal on the lenses to prevent cracking in the future. We are not sure if the drill seal is affecting the hole size at all I wouldnt think so. There is some doubt on our part as to what the proper speed of the drill should be for poly I feel it should be slower and step drill thicker lenses. Any help would be appreciated.
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