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From: "Jim Wilkins" <muratlanne@gmail.com>
Newsgroups: rec.crafts.metalworking
Subject: Re: grind flat surface on rocks / granite
Date: Fri, 20 Sep 2024 17:32:16 -0400
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"Bob La Londe"  wrote in message news:vckkdk$17tla$1@dont-email.me... 

That being said, the one thing you seem to catch my attention about was 
time and material removal rate.  I am always sensitive to time, and I 
don't know how you could improve that except by employing mechanical 
means to assist in at least the rough/coarse part of the process.  The 
problem I see with mechanizing the fine finish is you might need fairly 
fine mechanical bits.
Bob La Londe

--------------------------------

Search for "gem faceting machine".