Does anyone have suggestions on sharpening Sandvik carbide scraper blades? And what about a sharpen jig to do so.
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either send em out to a shop, or buy a Norton Green wheel for your grinder. carbide will resharpen well, but as you said a jig may be helpful if you are unsure or out of practice freehanding it..you can't hone to perfection like a steel blade.
I think the FWW "techniques" series of books has a good jig utilizing a cup stone in a drill press...and a crosss slide vise...mine are still in boxes or I'd find ya a pic.
In a tite situation, use a diamond flat hone to touch up the bevel and reflatten the back. Often grinding is not needed, unless ya chipped it.
Spheramid Enterprises Architectural Woodworks
" Let behind the eyes, that which one talks"
Rumi....
I used to sharpen mine the following way using a small diamond hone about 1/4" thick x 2" wide.
I put the blade in the scraper back to front and rested it on the hone laid flat on the bench. I put a piece of board under the end of the handle of the scraper of sufficient thickness to just raise the handle enough that the blade bevel was flat on the hone.
Squirt of light oil on the hone and push the scraper backwards and forwards -- Bingo! sharp scraper blade.
IanDG
curious here Ian, I use water or spit with diamond hones..oil is better? How heavy/light oil? I clogged a cermaic stone with oil once, what's the result with diamond?
Spheramid Enterprises Architectural Woodworks
" Let behind the eyes, that which one talks"
Rumi....
Spit is more readily available and I've used that too but the light oil -- Singer sewing machine oil type -- seems to keep the hone cleaner. There's no clogging at all -- wipes straight off on the leg of your coveralls.
To unclog your ceramic stone, just put it in a pan of water and bring the water to the boil and simmer it for 10 minutes or so.
IanDG
Edited 1/28/2005 5:03 pm ET by IanDG
so does spit...LOL..I strop on a shoe side in extreme cicumstances..thanks.
Spheramid Enterprises Architectural Woodworks
" Let behind the eyes, that which one talks"
Rumi....