Stripping a plate

[vince mrykalo]

Although I do not do my own plate finishing any more, many years ago I did have a plate sandblasted, and it came back with the japaning gone, just like yours when you stripped it, so I don't know that sandblasting would be any better.  fwiw.

  From: "Wayne Walker" <wayne.w at musicstop.com>
To: "'Pianotech List'" <pianotech at ptg.org>
Date: Thu, 12 Jul 2007 10:07:17 -0300
Subject: RE: Stripping a plate

    Try a high pressure washer, it may work and leave plate in better shape than sand blasting. I sandblasted a plate years ago and it needed fill to smooth the surface. It would be worth a try, you may be able to rent a unit.
   
    Wayne Walker
  Piano Tuner / Technician
    
Musicstop Acoustic Piano Service
  264 Herring Cove Road
  Halifax, NS, Canada
  B3P 1M1
    902-221-1540
  902-496-0041 Fax
  www.musicstop.com


    
  -----Original Message-----
From: BobDavis88 at aol.com [mailto:BobDavis88 at aol.com] 
Sent: Wednesday, July 11, 2007 3:42 PM
To: pianotech at ptg.org
Subject: Stripping a plate


  Hello all you who do your own plate finishing,
   
  I haven't had much trouble in this regard until now. We have a spray booth and have always sanded and finished our own plates. However, there is a plate in the shop now that was previously refinished (with I don't know what), and the finish is severly cracked. We have tried sanding down through it, but it doesn't seem practical or effective - the cracking is all the way through the finish. I want it all gone, so its unknown qualities don't affect the new finish. We are thinking our only choices are to strip, or to sandblast. 
   
  Has anyone had experience with either? The only other plate we stripped completely was years ago, and I remember that it took off the original japanning as well as the finish, leaving the original roughness of the casting, and took an awful lot of hand work and fillers to smooth it. I expect that sandblasting would be more controllable as to depth, but I don't know if it would leave a smooth enough surface. Any ideas? Any?
   
  Thanks,
  Bob Davis





      Vince Mrykalo RPT MPT
  University of Utah
   
  "Minél több a változás, annál nagyobb az állandoság"
   
  The more I learn, the less I know.
   
  www.mrykalopiano.com




 
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