Odd Agraffe Size

[Jeannie Grassi]

This is a multi-part message in MIME format.

---------------------- multipart/alternative attachment
Terry,
The Fandrich & Sons vertical which is made by Klima in the Czech Rep.
has a blue plate and looks pretty slick.  Of course, he calls it his
Blue Plate Special.!
 
jeannie
 

Jeannie Grassi, RPT
Associate Editor, Piano Technicians Journal
mailto:jcgrassi@earthlink.net 

-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
Behalf Of Farrell
Sent: Tuesday, July 27, 2004 8:52 AM
To: Pianotech
Subject: Re: Odd Agraffe Size


Entire set, yes. Sounds like you might have a good suggestion for just
milling down a 1/4" shank to the correct size - the threads are indeed
the same. However, your point about a process getting old fast is well
taken. I think as a first step I will evaluate reconditioning the
originals - they've been well protected with a heavy coat of gold paint
- and see how they come out.
 
And now, for something completely different......
 
Any comments on the concept of a candy-apple-red plate with brass
appointments - maybe on an ebony grand?
 
Terry Farrell

----- Original Message ----- 
From: Sarah Fox <mailto:sarah@graphic-fusion.com>  
To: Pianotech <mailto:pianotech@ptg.org>  
Sent: Tuesday, July 27, 2004 11:27 AM
Subject: Re: Odd Agraffe Size

Hi Terry,
 
You're doing the entire set?  Drilling and tapping blind holes in cast
iron is REALLY going to get old fast.  7/32 and 1/4 are too close in
size for you to do this if the thread pitch is not identical between the
two sizes!  If the pitches are different, you will end up with really
awful threads, and you will likely break off the tap in one of the
holes.
 
If you can find a die of this mystery size, and if the thread pitch is
the same as with the 1/4", you could probably reduce the 1/4" threading
to the right size.  (Brass is pretty easy to cut.)  This approach is
going to get really old, too, but at least you don't risk any more than
an agraffe from a jammed or broken tool.
 
~or~
 
Is it possible to get some agraffe manufacturing company to mill you a
set of custom ones?  You'll pay a bit of money for them, but I bet it
would be well worth it.
 
Peace,
Sarah
 
 
----- Original Message ----- 

From: Farrell <mailto:mfarrel2@tampabay.rr.com>  
To: pianotech@ptg.org 
Sent: Tuesday, July 27, 2004 10:08 AM
Subject: Odd Agraffe Size

I wish to replace a set of agraffes on an 1890s Knabe grand. It appears
the thread diameter is slightly larger than a standard 7/32" agraffe. I
suppost others have run across this odd thread size? If so, any
solutions? Are replacements available anywhere? Drill and tap for 1/4"?
 
Thanks.
 
Terry Farrell
 
www.farrellpiano.com


---------------------- multipart/alternative attachment
An HTML attachment was scrubbed...
URL: https://www.moypiano.com/ptg/pianotech.php/attachments/e3/84/c2/86/attachment.htm

---------------------- multipart/alternative attachment--