Key Bushing Cauls-sizing wrecked mortices

William R. Monroe pianotech@a440piano.net
Wed, 21 Sep 2005 15:33:21 -0500


Ric,

Have you done this?  Am I reading correctly that you would rout a channel,
glue in "shims", and then rout the final product to the proper dimension?
Or are you machining inserts that are properly sized?  I would think it
would be rather difficult to machine inserts, glue them in and come out with
a properly sized mortice, no?

I'd appreciate a clarification.

Respectfully,
William R. Monroe



----- Original Message ----- 
From: "Ric Brekne" <ricbrek@broadpark.no>
To: "pianotech" <pianotech@ptg.org>
Sent: Wednesday, September 21, 2005 2:32 PM
Subject: Key Bushing Cauls-sizing wrecked mortices


> Hey there Thumpy
>
> I'd suggest getting handy with a router.  Rout out a channel about 5 mm
> deep the exact witdth of the mortices and glue in new pieces of wood to
> fit. Not really as difficult as you might think and a lot less messy
> then epoxy mixes.
>
> Just a thought
> RicB
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