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Re: Making your own Ball nuts


Ron Ginger
 

From: "Tim Goldstein" <timg@...>

Try and then pick Super Alloy. It is the
PRECISION
HIGH LUBRICITY POLYMER - BLACK 1500LFH that you will most likely want.
There were a number of people talking about playing with making some of
this
at home. It is basically epoxy with a lot of graphite in it. I believe that
Moglice which is a similar product uses molybdenum disulfide as the
lubricating agent. Don't remember hearing about any results from the home
experimenters.
I used the Phillycast resin in my Grizzley mod posted here a couple years
ago, and on my web pages at I bought it over Moglice
because their smallest container was a bit larger than the Moglice, for
about the same price- about $40 as I recall.

You are correct that the Philly product is based on graphite while Moglice
is based on molybdenum disulfide. I have talked to sales engineers from both
companies about their products- obviously they each think theirs is best. I
think it may be one of what I call a 'blonde vs redhead' question, take your
pick, they are about the same thing.

I also used West brand epoxy (sold for boatbuilding) with powdered graphite,
which they sell for bottom coating of boats, and cast some parts. Although I
did not do any leadscrews and didnt do any serious testing, it sure looks
and feels like the Philly product. I did use it for the seams in the teak
deck of my steamboat where it worked very well.

ron ginger

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