RE: [ATM] turntable for grinding mirror

["Brent Russell" <brussel@bpc.org.za>]

No not at all. I have one and I think it makes grinding 25-30% faster
than by hand. 

Brent

-----Original Message-----
From: atm-bounces@atmlist.net [mailto:atm-bounces@atmlist.net] On Behalf
Of polaris@gsinet.net
Sent: 06 October 2004 02:13 PM
To: atm@atmlist.net
Subject: [ATM] turntable for grinding mirror



Thought I'd throw this out there .... 

planning my next grinding project, a 11" f/6 or so.

  Anyway, to avoid doing the "barrel waltz" I was thinking of making a
motor- driven turntable to grind on.  The table would slowly rotate as I
ground the 
mirror.  Of course, I'd still have to periodically give mirror a turn,
as 
always.

  The advantage of this is I can grind on a fixed work location, even
sitting 
or kneeling.  I won't have to make a grinding table to walk around.
Also, I 
am thinking it may help with generating the surface of revolution.

  Is there a problem with doing this?

Thanks,
Rob

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