CLP and Styran

Norman Barrett nbarrett@midsouth.rr.com
Sat, 25 Jan 2003 14:46:58 -0600


Jonathan,
This process is also called zapping. Very controversial. Personally
I like it when used carefully but over done it can easily scorch the
bushing and the birdseye. 
Norman Barrett
Memphis chapter

----- Original Message ----- 
From: "Jonathan Finger" <johann@tollidee.com>
To: "'Pianotech'" <pianotech@ptg.org>
Sent: Saturday, January 25, 2003 12:32 PM
Subject: RE: CLP and Styran


> Dave, we used to use in the shop what we called the "lazer tool"
> 
>  
> 
> If you'd like I'll try to find the plans for it (or someone else might
> already have some)
> 
> Basically, it is a pair of tweezers with low voltage running through
> them.  You "pinch" the tweezers over the ends of the pin, and vuala!
> You've loosened it.  The current through the pin causes it to heat up,
> and thereby presses the felt inside, almost like ironing it.  
> 
>  
> 
> I know I know, it has nothing to do with lasers, but that's just what we
> called it!  (because of the hum it created)
> 
>  
> 
> But I tell ya, I never have had the effects wear off (seems to be
> stable), and I've found no better way short or repining everything to
> fix a whole batch of tight pins.
> 
>  
> 
> Anybody else with such experience?
> 
>  
> 
> Jonathan Finger  RPT.



This PTG archive page provided courtesy of Moy Piano Service, LLC