Re: [ATM] Edging a Blank

[George Anderson <georgea@cam.org>]

Instead of using springs to pull the two shoes together why not use a
length of 1/4 by 20 threaded rod? The two shoes would remain equidistant
and you would just have to tighten the nut every so often.

George Anderson
Montreal Canada

Clear skies and good health

Michael Lindner wrote:
> 
> On Thursday 08 April 2004 07:41 pm, buck childers wrote:
> > I think the problem with your bungie approach is that the edge is
> > smoothed out but any out of round condition may not be resolved.
> 
> My problem at this point isn't out-of-roundness, it's roughness. I'm not sure
> Thomas' solution addresses out-of-roundness either, as it uses springs to
> press from either side. What it will do is allow me to use more grinding
> pressure without pushing the glass off center.
> 
> For solving out-of-roundness, I think a jig with a rotating diamond blade held
> rigidly and fed into the glass would be the way to go...
> 
> --
> Michael Lindner
> http://www.starastronomy.org *** http://home.att.net/~mikel
> http://www.atmsite.org *** http://www.atmlist.net
> 
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