What Did You Sharpen Today?

My Delica 4 wharncliff in K390, now, it arrived plenty sharp, cut up a lot of cardboard boxes and leather with it, but noticed that the edge bevels did waver slightly, and it was showing some wear. So I took it to the 220 and 500 grit shapton bench stones, and you know what? that K390 is plenty hard ;) the knife laughed at the 220, it removed metal but had to work a spell on it and the 500 grit did a little better and she ended up a nice razor sharp blade.

Untitled by GaryWGraley, on Flickr

So, that K390 isn't fooling around !
G2
 
Gary W. Graley said:
My Delica 4 wharncliff in K390, now, it arrived plenty sharp, cut up a lot of cardboard boxes and leather with it, but noticed that the edge bevels did waver slightly, and it was showing some wear. So I took it to the 220 and 500 grit shapton bench stones, and you know what? that K390 is plenty hard ;) the knife laughed at the 220, it removed metal but had to work a spell on it and the 500 grit did a little better and she ended up a nice razor sharp blade.

Untitled by GaryWGraley, on Flickr

So, that K390 isn't fooling around !
G2
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Oh yeah, Spyderco's k390 will definitely push the limits of the Shapton stones.
 
Hit a few licks on the EDC today
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I've been away for a while, due to having gotten a new job closer to my parents. One of the things my mother wanted me to do was to sharpen up some of her kitchen knives. So I hauled all of my bench stones out to her house. Sure enough, my mother brings me 3 of her nice Calphalon kitchen knives, one of which is Damascus. (Thanks, Mom! No pressure there, ok? And I know they may not be "nice" by BF standards, but they're nicer than any of my own kitchen knives.) My mother cooks every day, so they'd been well used, but not abused. Two of them had edges that were in pretty good shape, but the third (a "katana" kitchen knife) had a pretty sizeable chip in the edge and looks to have a crack in the blade. Anyway, for the first two (a 5" Santoku and a 6" (?) chef's knife), I used my basic corundum (carborundum?) stone to get a good working edge on them and finished with a medium Arkansas stone, followed by a diamond paste loaded strop. For the Katana knife, I used my diamond plate to get rid of that chip, then switched to my Arkansas stones to finish up, also followed by the diamond paste loaded strop. The (possible) crack is still there, but it won't make any difference in daily use. At least that's my bet. I didn't try to get any of them razor, hair-splitting sharp. They're working knives for my mother's kitchen, and she's very happy with how they came out. Now she's assigned me the task of touching up the rest of the knives in her kitchen.
 
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Had to sharpen a pair of scissors last night, so decided to go ahead and refresh a few other blades:
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These two stones did most of the work. I did most of the kitchen knives on the Norton India and a strop just to see how good an edge the basic setup could give. Used the Arctic Fox for the pocket knives.
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Though if you include the coarse stone I used to repair the scissors edge and all the other stones and strops I played around stropping on, I used all of this:
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It was a fun evening. Putting a crispy edge on a blade is a such nice feeling.
 
Had to sharpen a few hunting knives for the family. First up was a Kershaw Wildcat Ridge. There were a few chips to sharpen out and I just so happen to have received a 120 grit metallic bonded CBN stone recently so I figured it was a great one to start with. It worked really well, cutting quickly, not loading, and best of all, no shedding grit or quickly getting dished out. I may be tempted to order a few more to round out my most used grits. I proceeded with 22, 400, and finished with 600 grit Edge Pro stones.


Second up was a knife that belonged to my Grandfather, an old Buck skinner. Modern model number is the 103 I believe, there is no mark to date this one. I think the tip may have been broken off at some point and ground sharp again as it is THICK. The bevels were really messed up, probably 18 on one side, 15ish on the other, convexed so hard to get the exact number. Started again with the 120 CBN stone and ground for 30-45 minutes to get everything evened up and apexed. I love that stone even more now, just a bit of metal swarf to deal with and no drying and loading or glazing compared to actual stones making a big mess. If I used my 120 SiC stone for this it would probably would have been dished quite badly after that.

Moved on to the 220, 400, and finished on the 600. I noticed that my 600 was not getting all the scratches like it should and noticed that my 400 stone is getting dished and needs to be flattened so it mini convexed the edge. It is my most used stone so it is not unexpected.


Forgot to take a picture of my Buck 110 that I got around 20 years ago.
 
Bdtry said:
There were a few chips to sharpen out and I just so happen to have received a 120 grit metallic bonded CBN stone recently so I figured it was a great one to start with. It worked really well, cutting quickly, not loading, and best of all, no shedding grit or quickly getting dished out. I may be tempted to order a few more to round out my most used grits.
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Bdtry said:
Started again with the 120 CBN stone and ground for 30-45 minutes to get everything evened up and apexed. I love that stone even more now, just a bit of metal swarf to deal with and no drying and loading or glazing compared to actual stones making a big mess. If I used my 120 SiC stone for this it would probably would have been dished quite badly after that.
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That Poltava CBN 120 metallic bonded stone really is a winner. They are not cheap, but you're right - they work really well.
 
Last one for the night. North Arm Lynx in Magnacut. I only sharpened it once before to set and even the bevels, went up to 1200 grit Venev diamond (10/7). It was starting to get a bit dull after a lot of recent use and I wanted to try a rougher edge so I just went straight with a 700 grit Venev (20/14) since there wasn't much metal to remove.


777 Edge said:
That Poltava CBN 120 metallic bonded stone really is a winner. They are not cheap, but you're right - they work really well.
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I was really pleased with how it performed. I only bought the 120 as a roughing stone and to give them a test on how well they performed on lower end steels and hold up. I will likely add stones up to 600 grit or so to the list since that is what I use for most of my sharpening.


Edit: forgot to include the picture of the stones I mentioned earlier, from the top, 220, 400, and 600. The 400 is worn quite a bit more than I thought it was, didn't even realize, time to lap them later today.
 
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Bdtry said:
It was starting to get a bit dull after a lot of recent use and I wanted to try a rougher edge so I just went straight with a 700 grit Venev (20/14) since there wasn't much metal to remove.
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The Venev 400 grit edge is also one of my favorite finishes on my every day carry pocket knives & multi tool blades. I assume it was a typo, and you meant 400 grit Venev, not 700?
 
777 Edge said:
The Venev 400 grit edge is also one of my favorite finishes on my every day carry pocket knives & multi tool blades. I assume it was a typo, and you meant 400 grit Venev, not 700?
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Not a typo, just a different grit scale I guess. I didn't get them from Gritomatic, seems this seller used "Grit" instead of FEPA rating on their stones.

If they were Fepa it would probably be ~100, 140, 270/320, 500/600, 1200, 2000, 3000, 8000.
 
Bdtry said:
Not a typo, just a different grit scale I guess. I didn't get them from Gritomatic, seems this seller used "Grit" instead of FEPA rating on their stones.

If they were Fepa it would probably be ~100, 140, 270/320, 500/600, 1200, 2000, 3000, 8000.
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Very interesting! It seems Venev uses different grit rating depending on where it's sold. Thanks for the pics and info.
 
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