Peeling paint on Samick plate

[Greg Newell]

Has anyone ever tried powder coating a plate?

Greg Newell

Geoff Sykes wrote:
> Hi Mark --
>  
> I can't see any evidence of structural damage. While the piano had not 
> been tuned since it was purchased, (-41c), it appeared stable after a 
> pitch raise and fine tuning. I'm guessing that the plate was, as you 
> suggest, contaminated. The paint is very thick, but not brittle, and 
> is coming up as a stiff sheet. Like in the course of drying and 
> possibly shrinking it just sort of pulled away from the plate.
>  
> We have a couple of excellent finish and touch-up guys here in Los 
> Angeles. I have contacted them but have not heard back yet. I'll post 
> their responses when they come in.
>  
> Thanks --
>  
> -- Geoff Sykes
> -- Los Angeles
>  
>  
>
>     -----Original Message-----
>     *From:* pianotech-bounces at ptg.org
>     [mailto:pianotech-bounces at ptg.org] *On Behalf Of *Mark Potter
>     *Sent:* Friday, October 19, 2007 4:16 AM
>     *To:* Pianotech List
>     *Subject:* Re: Peeling paint on Samick plate
>
>     Hi Geoff -
>      
>     I have certainly never seen anything like it, and while it is
>     difficult to determine very much from the photo, I am having a
>     hard time imagining it happen unless:
>     1.  There was/is some structural movement
>     (expansion/contraction/cracking) of the plate along the finish
>     "fault line".  We've had expanding action brackets, are we now
>     moving into expanding plates? ;-)
>     2.  There was a major contaminant inbedded in the plate along this
>     line, causing the finish to 'float' above it as an unattached
>     film, and finally cracking after enough temperature changes. 
>      
>     I would certainly seek a possible warranty repair, and absent
>     that, it will be very difficult to make this disappear, although
>     it could certainly be greatly minimized.  What kind of finish do
>     you think it is?  
>      
>     As always, before any repair ensues, I would try to first
>     ascertain the cause.  If not structural, this would be a good
>     situation to call in a first-rate touch-up artist. 
>      
>     Mark Potter
>
>     */Geoff Sykes <thetuner at ivories52.com>/* wrote:
>
>         Greetings all --
>          
>         I was called to work on a Bernhard Steiner piano today.
>         Bernhard Steiner is currently owned by Samick. I think the
>         piano was made in 2001 but the decoding of the serial number
>         doesn't make sense, (KJKJG0141). Wouldn't KJKJ be 1011/1011?
>         Anyway, attached is a photo of the plate showing the left side
>         right under the music desk. Notice that the paint is peeling
>         up in a very large and thick sheet across the curve of the
>         plate. Has anyone else ever seen this? What did you do to
>         correct, or fix, the problem. I'm thinking that if we can't
>         get the store that sold it, (rumored to be out of business),
>         or Samick to cover it under warranty then perhaps some
>         never-fail CA glue. But... I'm open to suggestions.
>          
>         -- Geoff Sykes
>         -- Los Angeles
>
>         No virus found in this outgoing message.
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>         Date: 10/18/2007 5:47 PM
>
>
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