Super polished edges

KELAMA said:
^^^
Beautiful, amazing edges, by the both of you! :thumbup::thumbup:

I've been following this thread for awhile; getting inspiration, to finally get my Edge Pro Apex 4 set up, & hopefully start using it.
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John, I'd bet the farm you'll be posting some mind blowing edges here soon. You'll be able to achieve phenomenal edges with your Apex system. Here's my best tip: Take ANY tip from Josh he's willing to offer up. He's "the man".

Josh: the Lansky stones are a half inch wide. And thanks for the tip. I've been approaching tips that way for a while, light back pressure on the stone when working on/near tip. I still occasionally end up with a tiny amount of rounding...not actual rounding off of the tip but more like subtle tapering of the secondary as I approach the last 16th of an inch towards the tip. I think slightly wider stones, better technique and just more practice will help...I hope.
 
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razor-edge-knives said:
Nice job!! What angle is that? You like infi with a high polish, does it perform well?



Yeah zt' s pretty much always plunge issues, it is how they grind in the primary bevel. When I regrind one I have to fix it. But the key on this one is to not take the edge back too far where it starts thickening up.



How wide are they? The wicked edge stones are about 3/4" wide. The key I've found is to keep more pressure on the side of the paddles opposite the tip 😊
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Surprisingly, it's actually around 24°. This thing came with a commendably sharp and even edge, but not a thin one by my standards.

Well, this is my first and only INFI. I haven't tested it in any consistent or scientific way, but it seems to take abuse well (like heavy cutting in green wood) but doesn't hold an edge cutting abrasives (like cardboard) to any great degree. I actually got some microchipping, which was very surprising. The thinned out and polished edge helped in carving and batoning somewhat I'd say.

I'm hoping to compare INFI, SR101, CPM 3V, and 1095 more consistently once I have something comparable in all those steels. I've found Bussekin SR101 to perform well.
 
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Jarvenpaa Puukko, entirely done on Norton waterstones. One of my favorite EDC's though I don't normally polish it up like this.

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ALLHSS said:
Surprisingly, it's actually around 24°. This thing came with a commendably sharp and even edge, but not a thin one by my standards.

Well, this is my first and only INFI. I haven't tested it in any consistent or scientific way, but it seems to take abuse well (like heavy cutting in green wood) but doesn't hold an edge cutting abrasives (like cardboard) to any great degree. I actually got some microchipping, which was very surprising. The thinned out and polished edge helped in carving and batoning somewhat I'd say.

I'm hoping to compare INFI, SR101, CPM 3V, and 1095 more consistently once I have something comparable in all those steels. I've found Bussekin SR101 to perform well.
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Nice looking forward to hearing your analysis after comparing them!
HeavyHanded said:
Jarvenpaa Puukko, entirely done on Norton waterstones. One of my favorite EDC's though I don't normally polish it up like this.

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Outstanding 😁
 
wow that is a really beautiful polishing job Martin...I wish I could get my bravo 1 looking that good!!
 
DeadboxHero said:
Whoa, lets get some more pics of that badboy I love a good puukko!
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I've had that one for a few now, has seen plenty of camping and daily use. Recently thinned it out quite a bit - the signature and original patina on the flat are all gone (if I'd known I'd be taking pics I would have cleaned it up a bit more on the flat). She's a great all around knife, going back to the BR Bravo 1 thread, thinning this sort of grind out makes a big difference in how well it can handle EDU chores though means a little more care must be exercised when using. There's about a 1.5° shift from shoulder to edge, I don't normally microbevel this type of grind. I also reshaped the handle from the original pure barrel shape.

Disclaimer: She doesn't look quite so nice when all the lights are on (last pic), but still a pretty good job straight off an 8k Norton. I need a 15k in the stable for stuff like this, but normally I'd finish with a strop of some sort anyway. This was more of an exercise - every now and then I try my hand on a full convex or broad scandi on a flat stone to a bright finish - really keeps me honest...

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^ wow, very beautiful finish.

Haha that's alot of work right there to get that finish.

What a great geometry! Nice high grind, I could daydream all day about how it would laser beam through wood.

Thanks for sharing more.
 
HeavyHanded said:
I've had that one for a few now, has seen plenty of camping and daily use. Recently thinned it out quite a bit - the signature and original patina on the flat are all gone (if I'd known I'd be taking pics I would have cleaned it up a bit more on the flat). She's a great all around knife, going back to the BR Bravo 1 thread, thinning this sort of grind out makes a big difference in how well it can handle EDU chores though means a little more care must be exercised when using. There's about a 1.5° shift from shoulder to edge, I don't normally microbevel this type of grind. I also reshaped the handle from the original pure barrel shape.

Disclaimer: She doesn't look quite so nice when all the lights are on (last pic), but still a pretty good job straight off an 8k Norton. I need a 15k in the stable for stuff like this, but normally I'd finish with a strop of some sort anyway. This was more of an exercise - every now and then I try my hand on a full convex or broad scandi on a flat stone to a bright finish - really keeps me honest...

000_0001_zpsicuq9qef.jpg


000_0003_zpswhga1xcw.jpg


000_0002_zpsrtm5w2fx.jpg
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Still looks good! 👍 I just can't imagine doing that by hand only haha
 
DeadboxHero said:
^ wow, very beautiful finish.

Haha that's alot of work right there to get that finish.

What a great geometry! Nice high grind, I could daydream all day about how it would laser beam through wood.

Thanks for sharing more.
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Jarvenpaa makes a nice Puukko to start, thinning it out at the spine and raising the grind just a touch makes it cut a lot better overall. Still, I had trouble bringing myself to put it on a 60 grit belt and still somewhat regret loosing the signature - maybe I can etch the next one before thinning it out.

I have done a bunch of regrinds, but mostly for myself or a handful of friends and co workers on hard use knives. This one is no exception, it rides in a leather lined Kydex sheath and has been beat on pretty good since I got it. I don't normally expect them to be polished up beyond a satin finish afterward.
 
^ look great man! nice job not rounding the tip on that clinch pick!
 
razor-edge-knives said:
^ look great man! nice job not rounding the tip on that clinch pick!
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Thanks! I did it extra slow and carefully. It had literally the widest angle from factory I've ever seen. Mean little pointy thing now. The 0560 was rough, most of the edge was rolled and it had some chips.
 
Positron done on the KME and 1 micron DMT paste. Looks shiny but lots of scratches still, probably from going directly from the diamond xfine (1500) to the basswood strop. Might try the diamond films offered by KME next.

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This isn't the most polished edge, but you might wonder why the edge is so high on a hollow ground Spyderco Native?

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Well, it's 24° inclusive. I've had this Native for a while, it was pretty worn down and I rarely carried it. So I decided to thin it down to a nice slicey edge.
 
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