Re: ATM pitch lap woes--help appreciated

["Tom Stokes" <tstokes@pacbell.net>]

I should have asked this question a week ago. Bob, what is
your procedure for warming the mirror?

Tom Stokes
http://home.pacbell.net/tstokes features my mirror grinding machine.


----- Original Message ----- 
From: "Bob May" <bobmay@nethere.com>
To: "atmlist" <atm@shore.net>
Sent: Monday, January 05, 2004 11:14 AM
Subject: Re: ATM pitch lap woes--help appreciated


> 
> I've been holding the class in a garage lately and the last few weeks have
> been rather cool for the polishers.  I've been taking to doing a warm press
> on the mirrors before the polishing gets started and with good work, the
> laps do tend to stay warm enough to where they work fine.  The warm press is
> done with a pan of water near boiling and the tool suspended over the bottom
> of the pan in the water for about 30 seconds while the surface of the lap
> gets warmed.  The lap is then quickly pressed on the warm mirror and work is
> started.  It seems that the warm hands keep everything working well with no
> problems.
> Bob May
> http://nav.to/bobmay
> bobmay@nethere.com
> NEW! http://bobmay.astronomy.net
> 
>