Pinblock Drilling Centering

[Farrell]

>  This procedure works extremely well on a non-rock, a.k.a. 
> delignit/falconwood,etc., block...I've never tried it on the rocks.

I thought Delignit was considered one of the harder (rock-like) pinblocks.

And specifically what do you use for pin driving fluid?

Terry Farrell
  
----- Original Message ----- 
From: <JIMRPT@aol.com>
To: <pianotech@ptg.org>
Sent: Friday, October 25, 2002 11:25 AM
Subject: Re: Pinblock Drilling Centering


> 
> In a message dated 25/10/02 11:04:04 AM, davidlovepianos@earthlink.net writes:
> 
> << I've used a hammer shank for swabbing.  Dip it in the fluid, let it run 
> off and swab the inside of the hole.  You don't really need that much.  
> Swabbing the upper end of the hole is enough and let the pin drag the fluid 
> down with it.  You don't want it running out the bottom.  If you dip the pin 
> and are using plate bushings, the stuff will get all over the place.  
> 
> 
> David Love >>
> 
>  The best way I have found is to take a 'spinet' hammer shank ..........CA a 
> round punching made from key bushing cloth to the end....be sure to make the 
> punching a size that will just fit into the pinblock dry without have to 
> really push on it........ dip the hammer shank mit der punching into your 
> favorite fluid and swab the hole........just far enough into the fluid to 
> barely cover the punching is sufficient (if you are having puddling/dripping 
> problems you are using to much fluid) Swab as many holes as you will pin in 
> the next several hours cause if you don't you negate the facility of using 
> the driving fluid..........be sure and cover the keybed with newspaper to 
> catch any wayward drips:) (Don't ask)
>  If you are pinning a plate with bushings apply the fluid 'before' you insert 
> the bushings...walla ...no mess :-)
>  The pins will be snug, but seemingly loose, to the feel for a few days but 
> will settle down/increase to a very good tuning torque in a few 
> days............
>  This procedure works extremely well on a non-rock, a.k.a. 
> delignit/falconwood,etc., block...I've never tried it on the rocks:)
>  I drill a .250 hole, single pass, using a new drill bit for every block and 
> 2/0 by 2 3/8 or 1/2 pins....works for me.
> Jim Bryant (FL)
> _______________________________________________
> pianotech list info: https://www.moypiano.com/resources/#archives