This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Jon, What size of sanding disk are you using? 4,5, or 6" disc.? I = experimented with my 6" disk sander and there to many obstacles do deal = with when keys have sharp bends ( high and low extremes of the = keyboard). =20 How about grit grade? Any preferences? Tom Servinsky,RPT ----- Original Message -----=20 From: Jon Page=20 To: pianotech@ptg.org=20 Sent: Sunday, October 14, 2001 9:50 AM Subject: Re: Keytop routing techniques At 09:29 AM 10/14/2001 -0400, you wrote: List, Since the thread has been keytops, I would appreciate some input. I = just started doing my own keytops with the aid of an Olsland machine. I = acquired the planer/resurfacer and the notching machine. The question I have is seems to be finding the safest and best way = to route down the the long edges. Some use a laminate router bit with = guide and some use a sanding disc. What's the consensus out there? Also what is the keytop cement of choice. I was introduced to using = acetone and a melted plastic keytop made into a honey viscosity = consistently. Within 30 seconds the bond is strong. The downside is = you have to be extremely careful not to transfer any acetone anywhere = near the surface of the key or the finish will be marred. So bring it on. Would be interested in your comments on learning = the tricks of the trade. Tom Servinsky,RPT For glue, I use PVC-E. This makes a flexible joint to allow for the = different expansion and contraction rates of the joined materials. Melting the keytop to the keystick with the acetone/plastic mixture = may cause the keytop to crack when the wood expands with a humidity increase while the plastic remains rigid. The PVC-E glue also wipes off the surface without etching. I prefer routing or filing the edges over the sanding disc. It is too = easy to remove too much material with a sander. Regards, Jon Page, piano technician Harwich Port, Cape Cod, Mass. mailto:jonpage2001@mediaone.net http://www.stanwoodpiano.com ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~=20 ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/71/a8/bd/e9/attachment.htm ---------------------- multipart/alternative attachment--
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