BG-42...unsharpenable?

I

Ilikesharpstuff

Basic Member
Joined
Jan 19, 2009
Messages
862
Alright guys, I recently picked up a Large Regular in the BG-42 flavor.

It came kinda dull, I put a RAZOR edge on it, abused it on some cardboard...and now it won't get sharp again.

The first day, I had it hair popping...then I cut a bunch of cardboard, and now I can't even get it to push cut paper.

I'm using a Sharpmaker, 20* per side. I've been sharpening for at least an hour the past 4 to 5 days and I just can't put the edge back on it.

Now, any other knife I have, I can dull it to where it won't cut hot butter and turn around and get it hair popping sharp...so this is really stumping me. Please help :confused:

Anybody else had an experience like this?
 
The first day, as Esav said, it could have been a wire edge which got removed rather quickly by cutting cardboard. Use the sharpie trick to make sure you are actually sharpening the edge.
 
I put sharpie on the edge,

And I'm hitting the edge fine on the left side (spine up) of the blade, but not on the right. Do I just sharpen until this is corrected?
 
Ilikesharpstuff said:
I put sharpie on the edge,

And I'm hitting the edge fine on the left side (spine up) of the blade, but not on the right. Do I just sharpen until this is corrected?
Click to expand...

You could do that, or you could grab a set of the diamond rods and reveble 30/40 with those.

Last resort: Richard J. :D
 
Reveble?
:)

I'm gonna keep working with it with my brown rods and if it's not gone in a few days it's gonna go visit Richard J or knifenut1013.
 
Clip some 240 grit paper onto your rods. Hone on the right side only (using the flats of the rods) until you get it to match the left side. Now switch to the 30 degree slots and hone alternating sides until you get something like a real edge (40 degrees is just plain silly). Then move to the brown and white rods at 30 degrees.
 
send it to tom krein for a 15 degree per side sharpen. :eek:

20 is WAY too big, good for axes maybe.
 
THE PUNISHER said:
a steel would help,the sharpmaker is good to a point,the trick is to never ley it get dull...
Click to expand...

I don't, I got it used and it came dull :thumbup:


And if it comes from Chris Reeve at 19-20 degrees per side, that's what I'm gonna keep it at. That's what I've done with all my other Sebs and if it's hair popping sharp it's sharp enough for me.
 
Most my knives, I rebevel to 20 per side as soon as I get them in order to assure the grinds are symmetrical, and also to ensure ease of re-sharpening on my behalf. Once the immediate rebevel, its take no more than a nice strop every night to get the edge to split hairs on my head. It sounds like the edge geometry is slightly off, which is entirely possible since CR knives, as far as I know, are sharpened freehand.
 
I don't blame CR for this one though, it was made wayyyy back in 2000. I doubt that if it came uneven, in 9 years nobody has fixed it. I think it was just poor sharpening by a previous owner.
 
Here is my edge of my sebenza. Its s30v, it never touched the edge angle, im guessing its exactly at 20 degrees. All I did was strop until mirror polish, and this thing is hands down sharp, will split hair with ease...
seb_edge.jpg
 
I use my Sharpmaker to keep my edges sharp AFTER I reprofile the original edge on my Edge Pro Apex. A Sharpmaker will take forever to reprofile any edge.

I also can recommend Tom Krein:D
 
My experience was with a Queen with D2 steel. After 3 days I was doubting my sharpening ability. I kept at it and just when I thought, QUIT it started to get there. It was worth it. BG 42 is hard steel but I don't think as hard as D2. I would keep at it for a bit more. Oh this experience was enough to get to buy the diamond triangles for my Sharpmaker:D
Ilikesharpstuff said:
I'm using a Sharpmaker, 20* per side. I've been sharpening for at least an hour the past 4 to 5 days and I just can't put the edge back on it.
Anybody else had an experience like this?
Click to expand...
 
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