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Sharpened sharpening notches?

M

Mr.Wizard

Joined
Feb 28, 2015
Messages
1,455
From a recent thread:
Obsessed with Edges said:
Some will have a choil or 'sharpening notch' between the ricasso and the cutting edge, so it can be be sharpened fully. I'd considered doing so with this one, grinding a sharpening notch, but I tend not to like them for their tendency to grab or snag materials being cut. I can live with the little bit of unsharpened edge there, as it at least won't get hung up on things.
Click to expand...

Would it be reasonable to sharpen the sharpening notch itself like a single serration scallop? This would seem to address the problem of snagging that I have experienced myself.
 
Mr.Wizard said:
From a recent thread:


Would it be reasonable to sharpen the sharpening notch itself like a single serration scallop? This would seem to address the problem of snagging that I have experienced myself.
Click to expand...

It's possible, and some have done it. I just haven't felt it worthwhile in my own uses. It would also require maintenance of it's own, to keep it sharp so it doesn't present the same issue of snagging, if it's somewhat less than sharp. And because the steel at the rear of the edge is much thicker (usually), the sharpened notch's cutting geometry can never be as good as the rest of the edge, unless an awful lot of steel gets taken off there. Otherwise, just a tiny bit of dulling of the sharpened notch will once again halt cutting almost immediately.

As mine is now, the portion of edge that's not quite sharp just means that whatever I'm cutting will slip forward into the sharpened portion and be cut anyway. So I never have to worry about it at all.
 
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How big is the notch? What shape is it? Instead of sharpening it can you open it up a little so it doesn’t snag. Maybe make the transition smoother.
 
I did on one my Para 3, it's nice because I can sharpen with my edge pro all the way to the ricasso without the stone trying to dig in and create a recurve. I still need to get one of those tapered diamond or ceramic rods and try sharpening it.

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