Ivory Polishing and Replacement

[Alan]

Wow, David, even the elephant never brushed or flossed with THAT kind of
attention to detail.

Alan R. Barnard
Salem, MO


-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf
Of David Vanderhoofven
Sent: Friday, March 18, 2005 8:10 PM
To: Pianotech
Subject: Ivory Polishing and Replacement


Greetings!

Today I finished repairing an ivory keyboard for a customer.  I can't do 
expert work yet, but am improving.  Still working on color matching and 
getting an invisible joint between the head and tail pieces.

After replacing the 5 ivory pieces, the ivories were polished to a high 
gloss.  The process involved removing all the white keys, and then sanding, 
polishing and buffing.  A piece of glass under the sand paper helps for a 
perfectly smooth surface.  First each key was wet sanded with 400 grit 
wet/dry automotive sandpaper, then wet sanded with 600 grit, then wet 
sanded with 1000 grit, then polished on a hard polishing wheel (spiral sewn 
cotton), then buffed on a soft buffing wheel (unsewn cotton flannel).

Big thanks to Kevin Way for helping me with the use of his shop and help 
with the sanding and buffing.

David Vanderhoofven
Joplin, MO

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