Re: [ATM] fishing for a lil polishing advice!

["Anthony Anconetani" <Anthony.Anconetani@genband.com>]

Hi Mike,

You make the point that I almost expect TDE. Hehehe... Yeah, I guess I
do. It's just that TDE seem to get a lot of discussion. It seems to
happen to many beginners. And, it appears to be fairly time consuming to
remove. Hence my desire to catch it early correct my technique.

In honesty, I need to re-read some material before starting the find
grinding process. But since the topic is warm, is there something in
particular to pay attention during fine grinding so as not to grind in a
TDE?

Thanks,

-Anthony

> -----Original Message-----
> From: atm-bounces@atmlist.net 
> [mailto:atm-bounces@atmlist.net] On Behalf Of Mike Lockwood
> Sent: Monday, May 21, 2007 11:41 AM
> To: atm@atmlist.net
> Subject: Re: [ATM] fishing for a lil polishing advice!
> 
> Hi,
> 
> Anthony Anconetani wrote:
> > I'm a rooky at this mirror stuff too. I'm behind you a little bit. 
> > I've only gotten my 6f6 to 220 grit. But I did put together my 
> > Foucault tester this weekend for the purpose of checking the 
> > approximate center of curvature.
> 
> That's a good excuse to put it together.
> 
> > Back on subject, like you I was going to use the Foucault tester to 
> > monitor the developing sphere as I progressed through the polishing 
> > phase. My goal was to catch any TDE as quick as possible.
> 
> You almost seem to expect TDE.  Many times what we expect 
> materializes.
> 
> > So question for the experts, does it make sense to use the Foucault 
> > test throughout polishing to monitor the developing sphere for TDE?
> 
> Yes.
> 
> But it makes the most sense right now to pay attention to 
> fine grinding so that you do not GRIND in the TDE, rather 
> than polishing it in.
> 
> 	Mike Lockwood
> 
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