Re: [CAD_CAM_EDM_DRO] Preparing for a Series 1 Retrofit

Members who receive posts via email possibly did not see Les Newell's post.
Yahoo's spam filter picked up his use of the word "L0T T3 RY" (I have had to re-spell it or they would do the same to me) and junked his post.

Go to your bulk folder and you will find it there.
Mark
Fourth Axis

--- On Thu, 8/21/08, Leslie Newell <les.newell@...> wrote:
From: Leslie Newell <les.newell@...>
Subject: Re: [CAD_CAM_EDM_DRO] Preparing for a Series 1 Retrofit
To: CAD_CAM_EDM_DRO@yahoogroups.com
Date: Thursday, August 21, 2008, 6:00 PM











I don't think I would do that. I always find boring toothed belt pulleys

a bit of a xxxxxxx. They seldom have exactly the correct number of teeth

to grip directly in the chuck jaws so you end up having to make a sleeve

to fit around the outside. Any inaccuracy in the sleeve will of course

affect the accuracy of the bore.



To be honest, a few thousandths of an inch error isn't actually going to

make a noticeable difference to the final accuracy of the machine. Screw

inacuracies, flex, servo following error or stepper 'spring' all add far

more error.



Les





Michael Fagan wrote:

> In particular, you could rough out the sleeve, finish the OD, then

> press fit/loctite the sleeve into the original taper lock hub, then

> finish bore the ID in place. This assures concentricity overall, not

> just within the sleeve itself.

>

>

>





























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