[pianotech] Renotching-Repinning-Reusing Bridges in rebuild

William Monroe bill at a440piano.net
Wed Jan 20 20:10:30 MST 2010


Sure, each their own.  For the most part I guess it feels like trading one
task for another.  Epoxy size the hole and drill out, or dip the pin and
drive in?  Probably a wash for me.  Yes, you really do need to wear gloves
when driving in the pins and shoe-shining the cap, but it's really a very
localized process for me.

As for stressing the pins, unless you really bear down on the pins, or sit
in one place, there is no danger of lateral stress or overheating.
Certainly nothing approaching what the strings themselves do, I would
think.  I've heard the arguments, and I think it's a reasonable concern, but
as with most things in this biz, if you use appropriate care with this
process, there is no cause for concern.

I certainly don't think my was is the only way, or the "better" way, just
one that works for me.

William R. Monroe



On Wed, Jan 20, 2010 at 6:02 PM, David Love <davidlovepianos at comcast.net>wrote:

>  I used to do the epoxy in the pins thing but decided there wasn’t much
> reason for having to deal with the mess.  By sizing the holes even slightly
> with epoxy and reinforcing the wood you can run a drill quickly down through
> to insure uniform depth and diameter and a clean surface.  After that,
> inserting the pins and just securing with a drop of thin CA is plenty to
> secure them.  I don’t particularly like to file or belt sand the pins as I
> think there’s no need to either heat them up or put lateral stress on what
> should be a tight fit.
>
>
>
> David Love
>
>
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