>Big help huh? Well, yes. > I use diamond grit "stones", Where does one find the above? Terry Farrell Piano Tuning & Service Tampa, Florida mfarrel2@tampabay.rr.com ----- Original Message ----- From: "Ron Nossaman" <RNossaman@KSCABLE.com> To: <pianotech@ptg.org> Sent: Saturday, December 16, 2000 1:33 PM Subject: Re: Chisel Sharpening - Help! > >Hi Shoprats! It's bridge notching time for me. I have two of David MAZZAGLIA > >wonderful bridge notching chisels, but am a dunce when it comes to > >sharpening them. What are the methods/equipment used by you folks to sharpen > >them. I found the Tormek SuperGrind on the web, but it's a tad pricey. I > >worry about maintaining proper bevel angles, etc. What about Japanese > >waterstones. I'm at a total loss. Help! > > > >Terry Farrell > > I use diamond grit "stones", which are 2" x 6" steel plates with diamond > grit fused to one side. I use a medium grit for sharpening and touch up, > and the course for reshaping between grindings. I like them for two > reasons: they cut fast, and stay flat (with no maintenance) like nothing > else I've found, and I've always liked tools that perform well without > pampering. There's no such thing as a proper bevel angle either. I don't > use a fine grit, or buffer, to polish the finished edge because I prefer a > little "tooth" on a sharpened edge. With maple especially, I get a better > starting bite without skating on the surface, and better overall control > with a shallow paring cut. Whatever you use, touch up the edge often as you > work, rather than fight a dulling edge. Your mileage may vary. Each chisel > operator out there has his/her own preference of bevel contour, angle and > edge, arrived at by trial and error as it fits their individual style(s). > That's not even getting into the length, width, and type of chisel(s) these > bevels are ground on. It's like running a tuning hammer. There are a lot of > ways to do it and get the job done, and it takes some experimentation to > find what's comfortable for you. You probably won't even be able to borrow > another shop rat's notching system to try out. We tend to be very > protective of our babies because of the time required to re-contour, > sharpen, and re-train the chisels when they return. Just keep throwing time > and money into it until something works out to your satisfaction. Big help > huh? > > Ron N >
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