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Aug 24, 2019 - 4:42:25 PM
52164 posts since 12/14/2005

Of COURSE, it's a horrible idea to use epoxy to fasten in a 5th string tuner.

However! Here's one application which worked well, because the epoxy NEVER TOUCHED any part of the tuner.

The hole was WAAAYYYY too big ( my fault).

So I mixed up some PC LUMBER(TM) by the makers of PC7 (TM).

It's a two part epoxy putty.

Mixed it by rolling between my palms, pushed it into the hole, pushed a pencil eraser end in to clear much of it out.

Took some  Saran Wrap (TM)  and put THAT over the end of the tuner, pushed it into the hole, scraped away the excess.

Since that acted as a barrier between the epoxy and the peg, I just let it set up overnight, then wiggled the peg loose, took off the film, dabbed on a little Elmer's (TM)  white glue, and pushed the peg in, EVER so firmly.

Since the hole had been basically CUSTOM-SHAPED by the peg, it was a VERY good fit.

The client was happy, and I will check back from time to time, to see it it held up well.

Aug 24, 2019 - 5:43:44 PM

1573 posts since 11/16/2006

Brilliant

Aug 24, 2019 - 5:56:43 PM
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52164 posts since 12/14/2005

Awwww! I'm blushing!

Aug 24, 2019 - 6:07:31 PM

1259 posts since 4/13/2009

Epoxy is the duct tape of luthiers.

Aug 24, 2019 - 6:08:59 PM

12050 posts since 6/29/2005

That's a great idea! - better'n Bondo.

Aug 24, 2019 - 6:39:31 PM

7337 posts since 1/7/2005

An alternative to saran wrap for a release agent is a coat of paste wax. Back when I was doing a little boat building, we used paste floor wax to release fiberglass hulls from their molds.
I don't think you will have any problem with the epoxy as it ages. They use a similar technique for bedding target rifle stocks to the barreled actions. You can't carve or machine a tighter fit.

DD

Aug 24, 2019 - 7:20:17 PM

52164 posts since 12/14/2005

quote:
Originally posted by Ken LeVan

That's a great idea! - better'n Bondo.


Truth be told, I got the idea FROM an article on automobile body work.

Aug 24, 2019 - 8:36:41 PM
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6034 posts since 8/28/2013

Learned about release agents many years ago. Wax paper is another one that works.

Piano refinishers I've known would many times save a no-longer-available maker's decal or some painted detail or striping by carefully painting just the decal with a coat of vaseline, then spraying the lacquer. That lacquer wouldn't stick to the vaseline and could simply be wiped off, leaving the decal showing in its full glory. I've often thought this would be a good way to save a silk screened "Gibson" peghead logo or a resonator decal when the rest needed to be refinished, but I haven't yet had a chance to try it.

Aug 25, 2019 - 4:13:19 AM
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12050 posts since 6/29/2005

I always use vaseline—works withy epoxy, polyester(bondo), urethane, silicone rubber, glue, practically anything.

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