OldTools Archive

Recent Bios FAQ

154020 Ken Pendergrass <kenp794@c...> 2005‑12‑21 Re: card scraper breakthrough
Paul,
You are doing essential what I do except I use Shapton water stones. I 
like to have my scrapers beveled to a 45 degree angle not square. I 
quasi flatten the back and use a block of wood with a 45 degree angle 
side to hold the scraper when honing. You have to hone at an angle going 
straight along the length of the stone digs a ditch in it. I go to 
perhaps 5000 grit removing the burr from the 1000 and 2000 stones. You 
didn't mention burnishing.  I gently burnish. Thus treated scrapers are 
very sharp, I have cut myself, and cut a nice polished surface. I should 
mention I bevel using the Lee Valley Saw/Scraper Jointer.
Ken
on vacation and ready for a pint.

paul womack wrote:

> I've used scary sharp for various purposes
> (except flattening plane soles :-) for the last
> few years.
>
> It's served me well. Because I'm lazy,
> I've simply glued some #400 paper to glass,
> and I lay the other grits on this.
> This means I can work through a large
> range of grits without reglueing,
> and I only need a small glass area.
>
> I *know* that I get slight edge dubbing,
> but even on paring chisels, it's tolerable.
>
> Side to side edge dubbing when flattening
> is not a big issue.
>
> But I always had trouble with card scrapers.
>
> It only recently occurred to me that 1/64" of dubbing
> on both sides of a 1/32" sheet of steel might
> be "an issue".
>
> So I re-filed the edge of a home-brew "made from a saw"
> scraper, and worked it on oil stones (India fine,
> followed by slate finishing stone).
>
> OK. Epiphany. Instant wide, curly shavings.
>
> Summary: scary sharp is great, but not for scraper prep.
>
>    BugBear
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Recent Bios FAQ