Brass but plates

[gordon stelter]

I think you just heat it up with a  blow torch, and
let it cool, to diffuse the crystallization that
occurs in brass after many years. It's not really
"annealing"  as is the case with ferrous metals, where
a heating followed by a sudden cooling "shocks" the
carbon atoms in the metal to line up, "tempering" mit.
Its' more like melting incipient fractures back
together, a bit.
     Thump

--- John Ross <jrpiano at win.eastlink.ca> wrote:

> It was meant as a direct replacement part.
> I just don't like the repair clips 513A, 513B, 513KA
> and 513KB. They do work, but I have found them to
> not hold their position. It could be I was doing
> something wrong. :-(
> With the repair flange #517, I can scribe the
> position for it, remove that section of rail, cut
> the piece out, and insert the repair flange.
> Depending on the job, I sometimes still use the
> first mentioned flanges. Depends on the piano, the
> second method is much more time consuming. (More
> expensive, due to time involved)
> If too many are broken, then have the section,
> duplicated.
> I saw a demonstration of annealing the rails to
> bring the flexibility, back to the rail. I can't
> remember the temperature you had to bring it to.
> John M. Ross
> Windsor, Nova Scotia, Canada.
> jrpiano at win.eastlink.ca
>   ----- Original Message ----- 
>   From: KeyKat88 at aol.com 
>   To: pianotech at ptg.org 
>   Sent: Thursday, July 20, 2006 6:55 PM
>   Subject: Re: Brass but plates
> 
> 
>   Greetings,
> 
>             When you do this, is the part that you
> install specifically, a repair plate specifically
> designed to replace the section that you cut out?
> Does Schaff sell that part as a splice piece? What
> is the part number?...Because if it is the part that
> I think it is, then that removes all questions as to
> the difference between a regular butt replacement
> do-jiggie and a splice piece, for the brass rail.
> The Scaff catalog is unclear, and doesnt explain
> what the repair piece is/does.   
> 
>   JUlia Gottshall
>   Reading, PA
> 
>   In a message dated 7/14/2006 2:39:04 PM Eastern
> Standard Time, jrpiano at win.eastlink.ca writes:
>     I prefer to cut out a section of the rail, and
> install a repair flange.
> 


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