Chisel Sharpening - Help!

Farrell mfarrel2@tampabay.rr.com
Sat, 16 Dec 2000 20:28:29 -0500


>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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