teflon bushings

[David ilvedson]

I have to admit it has been awhile since I reamed a teflon 
bushing, but I remember being taught to score (roll between 
two bastard files) a centerpin the same size as the one in the 
bushing.  You used this in a pin vise.  Anyone else use this 
method?

David I. 

Date sent:      	Mon, 20 Dec 1999 09:12:30 -0600
From:           	"David Graham" <u40dcg1@wpo.cso.niu.edu>
To:             	<caut-digest@ptg.org>, <owner-caut-digest@ptg.org>
Subject:        	Re:teflon bushings
Send reply to:  	caut@ptg.org

> Schaff sells a set of reamers sized from .048 to .053. They are for felt
> bushings, but I have used them from time to time on teflon and they
> worked fine. they are made from music wire, so there is no taper to
> worry about. They're cheap, too!  On the other hand, getting new parts
> would be a whole lot better. By now the parts themselves should be
> pretty worn out.  I still have a few customers with teflon actions, but
> my institutional customers have replaced most of the parts by now. David
> Graham,RPT
> 


David Ilvedson, RPT
Pacifica, CA
ilvey@jps.net