[pianotech] Fwd: snugging up an agraffe

Isaac Sadigursky irs.pianos at earthlink.net
Mon Oct 4 21:21:49 MDT 2010



Begin forwarded message:

> From: Isaac Sadigursky <irs.pianos at earthlink.net>
> Date: October 4, 2010 8:16:42 PM PDT
> To: Isaac Sadigursky <irs.pianos at earthlink.net>
> Subject: Fwd: [pianotech] snugging up an agraffe
>
>
>
> Begin forwarded message:
>
>> From: Isaac Sadigursky <isaacspianoservice at gmail.com>
>> Date: October 4, 2010 7:55:14 PM PDT
>> To: pianotech at ptg.org
>> Subject: Re: [pianotech] snugging up an agraffe
>>
>> Hi,Andrew!
>> To "snug-up" or 'seat" agraffe properly you should not 'File the  
>> buttom'.
>> THE MACHINIST MILL is  designed to do that task.
>> It is available in Pianotek catalog.
>> It was introduced many years ago by me in my " End of Agraffe  
>> Agrevation" class and Susan Graham liked the idea and published it  
>> under Tech.Tips.
>> Try it when agraffe is coming BEFORE the proper position. f you are  
>> on a budget:CD  [cheap and dirty method} is;take a hammer Filing  
>> paddle,drill 1/4' hole in it.Drop the agraffe in that hole and FILE  
>> the Agraffe Buttom in it,it takes only a few slight pressure turns.
>> The Machinist Mill can remove a very small amount of material and  
>> you can install agraffe much faster and with more precision.
>> It agraffe turns past proper position-use Agraffe Washers,they give  
>> you 1/4 of a turn increments..In 36 threads per inch x 4=those  
>> shims are .0144" thick
>> Good Luck!
>> I like Ed's suggestion to brake a few agraffes in an old,junked  
>> plate to get a feel of it.That is the only way to learn it.
>> Hope ,it helps.
>> isaac
>>
>> On Oct 3, 2010, at 6:42 PM, Andrew Anderson wrote:
>>
>>> seems to me that you would file the bottom of the agraffe or  
>>> countersink a little to have an agraffe snug up at the desired  
>>> angle to the strings.  Am I missing something here?  pushing brass  
>>> to the point of stripping the threads seems to miss a step...
>>>
>>> Andrew Anderson
>>>
>>> On Oct 3, 2010, at 12:13 PM, Ed Foote wrote:
>>>
>>>>
>>>>
>>>> Dave writes:
>>>>      First came the assumptions.......1/4 inch standard Steinway  
>>>> Agraffe size......so I am told.
>>>> I have a .215
>>>> 7/32 is .219 ........hmmm
>>>> Something I should know here?<<
>>>>
>>>> What I found, disappointingly enough, was that all the supposed  
>>>> "7/32" agraffes, the threads are all undersized.  This was not so  
>>>> in 1915, at least judging from the agraffes I have removed from  
>>>> those vintages. I have had trouble, several times in the past,  
>>>> getting new agraffes to be held securely enough  in the plate.  
>>>> The threads would strip before I could snug them sufficiently in  
>>>> position.  I was told that all agraffes are made in the same  
>>>> place,and orders from a variety of suppliers seemed to bear this  
>>>> out.
>>>> Good luck,
>>>> Ed Foote RPT
>>>
>>
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://ptg.org/pipermail/pianotech.php/attachments/20101004/11183871/attachment.htm>


More information about the pianotech mailing list

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