From: "Russell Jocoy" 
To: bobmay{at}nethere.com, atm{at}shore.net
Reply-To: "Russell Jocoy" 


>From: "Bob May" 
>Reply-To: "Bob May" 
>To: "atmlist" 
>Subject: Re: ATM ROC control
>Date: Fri, 25 Jul 2003 10:08:28 -0700
>
>The thing that you have to remember is that where you grind on the glass is
>where the material is going to be removed.  Doing center over center
>strokes
>with a subdiameter tool means that you spend a lot of time grinding on the
>center of the glass so, even tho you are going to the edge, and past, the
>mirror isn't going to change too much.  The more correct stroke is to do a
>chordal stroke and then blend it in with the COC stroke.  In other words, a
>wide W stroke should open the ROC in proper fashion.
>If you are alreasy at the ROC that you want, you may want to just start
>going down through the grits until you get to the 320 range and check the
>ROC again for a final check.  If it isn't moving and you are where you are
>then you have developed a stroke that allows for the fining of the surface
>without changing the ROC which is a good thing.
>Bob May
>http://nav.to/bobmay
>bobmay{at}nethere.com
>NEW! http://bobmay.astronomy.net
>
>
>

("atm{at}shore.net")


   Bob  said what I was going to say but my mouth said all that other
stuff... Russ J.

("atm{at}shore.net")

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