Marcel wrote: > To me, after the crowning process, the board should not be dried again. I > think that high temperature MIGHT affect the glue hardness and cause crown > collapse (a little at least). Please explain what you mean by "high temperature". And why would it be used? Terry Farrell ----- Original Message ----- From: "Marcel Carey" <mcpiano@globetrotter.net> To: "Pianotech" <pianotech@ptg.org> Sent: Thursday, December 19, 2002 11:16 PM Subject: RE: Soundboard Clamping for Downbearing > Terry, > I don't think you should dry the board before gluing to the rim. The > assumption that the board will shrink is false. After the ribs are glued, > the only thing that is going to change with hunidity is the amount of crown. > To me, after the crowning process, the board should not be dried again. I > think that high temperature MIGHT affect the glue hardness and cause crown > collapse (a little at least). > > So, I would and will just clamp the board to the rim making sure that the > humidity conditions are "normal" (if you deal with extremes, you might want > to have more or less downbearing). With the Mason that I'm working with > these days, the board was glued in using soundboard buttons (someone might > tell me if this was original or not). But you could use this to tie the > board down for bearing adjustments. > > Have fun and keep me in touch. We are learning my friend. > > Marcel Carey > pianotech list info: https://www.moypiano.com/resources/#archives > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
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