Agraffe reaming

[Isaac OLEG]

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Paul,

Impressing nice pictures, do you lacquer the agrafes in the end ? I've seen
gold painted agraffes and the inside was showing lacquer marks,some strings
where duller in that case

(while I thought that when stringing , the inside of the hole is probably
cleaned some by the passing wire and the friction).


I guess you protect the inside before lacquering ? I wonder too if
electrolyze can be used efficiently to cover them with some plating.

How long does it take to have these shiny agrafes ? Did you use an ultra
sound device as used in jewelry to clean the old gunk . I don't understand
the process to buff them everywhere as nicely.

Best Regards, and always have always enjoyed your posts on the forum !

.>)


Isaac OLEG

Entretien et reparation de pianos.

PianoTech
17 rue de Choisy
94400 VITRY sur SEINE
FRANCE
tel : 033 01 47 18 06 98
fax : 033 01 47 18 06 90
cell: 06 60 42 58 77

  -----Message d'origine-----
  De : pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]De la
part de Yardarm103669107@aol.com
  Envoye : dimanche 6 avril 2003 08:11
  A : pianotech@ptg.org
  Objet : Re: Agraffe reaming


  In a message dated 4/5/2003 8:12:49 PM Central Standard Time,
RNossaman@cox.net writes:



    Doesn't sound to me like much of a time saving
    convenience over just replacing them.



  Ron:

  At http://motspheres.com/blank3.html you'll find a partial set of pictures
I've taken over the last year or so which lead me to believe that 1) reaming
just duplicates the original bad geometry of the termination, and 2)
replacing agraffes with new ones still requires a great deal of preparation,
the same as with old ones as a matter of fact. This set of pictures will be
augmented in the future with some others illustrating where certain noises
come from in that termination. The whole point is that each agraffe, new or
old, needs to be consistently treated to polish the termination into a true
curved shape, although it is impossible to duplicate a fine capo shape with
the offset towards the counterbearing segment. Some agraffe sets in better
made pianos are in fact canted toward the singing length to create that
offset.

  Paul Revenko-Jones

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