Sandblasting piano plates

[Joseph Alkana]

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Charles,
Two things I should mention. First, My sandblast equipment consists of =
the type that's fired by my compressor, not some giant stand alone =
contraption. Its one of those types that has a simple siphon tube that =
you just stick in the sand bag. I use fairly mild sand on about 85psi. I =
just want to rip the old paint off, not dig divots in the plate or =
create any kind of texture to have to deal with. Just basically "sand =
wash" the old finish off. It takes about an hour or less.
Second, I pull the agraffes off. They get thoroughly cleaned and =
polished and the agraffe holes get reconditioned as a separate =
operation.Be sure to put something in the bare plate holes before you =
repaint and wide enough to cover where the shoulder of the agraffe sits =
on the plate, or you'll wind up scraping the new paint off so the =
agraffe will sit down flush and be lined up. Ask me how I know. :-)
By the way, you do reshape the capo bar before painting, right?
Joseph Alkana  RPT
josephspiano@home.com
  ----- Original Message -----=20
  From: Charles E Faulk=20
  To: pianotech@ptg.org=20
  Sent: Monday, July 23, 2001 7:46 PM
  Subject: Re: Sandblasting piano plates


  That's encouraging, Joe. What about the agraffes? Should I mask them =
off?

  Charles

  On Mon, 23 Jul 2001 16:56:33 -0700 "Joseph Alkana"
  <josephspiano@home.com> writes:
  > Charles,
  > I'm afraid I don't qualify as an expert, but for what it's worth I=20
  > recently did two plates using sandblasting. I touched up the rough=20
  > spots with body putty, used liberal coats of red metal primer=20
  > followed up with my gray undercoats and then final bronzing=20
  > powder/lacquer finish. Works for me.
  > Joseph Alkana  RPT
  > josephspiano@home.com
  >   ----- Original Message -----=20
  >   From: Charles E Faulk=20
  >   To: pianotech@ptg.org=20
  >   Sent: Monday, July 23, 2001 10:57 AM
  >   Subject: Sandblasting piano plates
  >=20
  >=20
  >   Seems like I followed a thread on sandblasting a few months ago,=20
  > so
  >   forgive me if I repeat a query.
  >=20
  >   Has anyone had any experience with sandblasting piano plates in
  >   preparation for finishing? I'm tired of dealing with contamination =

  > on old
  >   plate finishes and thought this might offer a solution.
  >=20
  >   Thanks in advance.
  >=20
  >   Charles Faulk
  >   ________________________________________________________________
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  >=20

  ________________________________________________________________
  GET INTERNET ACCESS FROM JUNO!
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