reprofiling edge

Joined
May 4, 2005
Messages
151
Hello friends,

I've got a blade that had chips the size of a 1/3 of a quarter nicked out of the cutting edge. It's a 440C stainless but unfortunately was a hollow-ground blade that was too thin to take chopping -- I was tired, it was a getting to be an emergency and I think it took some lateral pressure thus the chips.

Is there any way I can completely reprofile the edge, get rid of the chips and still get a usable knife? Will bastard files do the job or will my hands drop off before I see the end of it?

Thanks for your advice.

P.S. And yes, I carry my BK10 everywhere now!
 
wow, that's some huge chips. One thing I would maybe do is take a marker and draw the new placement of the edge above the chips to see if there'd be enough knife left over. Also depending on the hollow grind, sharpening might be an extreme hassle after making the blade profile that much narrower.

I'd use a bench/belt grinder for that much steel removal.
 
Some 440C blades would be soft enough to file, you will know immediately either way. Even if the steel can be machined with the file it will still take a very long time to grind out that much steel. I'd consider at least an hour even if the steel was fairly soft like a machete.

-Cliff
 
I wouldn't try to take the chip out per say but just sharpen it down like a serration at each one and leave it. No use taking off good steel just because of the chips at this point. Even them out some with a chain saw cylinder and be done with it. Thats what I'd do anyways.

STR
 
Hmmm ... this is a tad tragic. I was hoping to keep the knife and still reuse it. I'll try with the files and see if I get anywhere with it.

The wood in Australia appears really really hard -- I've not had similar problems in SE Asia where the same knife stood up to some hard use. But I was always aware of the potentital problem because of how thin the grind was on it. Wonder if temperature had any role to play in the chipping -- it was probably subzero when I used it.

Thanks for your suggestions
 
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