Sharpening with leather.

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tps3443
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Sharpening with leather.

Postby tps3443 » Sat Jul 13, 2019 11:43 am

So this is the 2nd time dulling my PM2 in S30V at work. And touching up with only diamond loaded leather paddles.

The factory bevel is at 15DPS, microbevel is at 20DPS.

After the knife dulls, I clamp it in my Wicked Edge and strop the edge at around 18-19 degrees and it becomes scary sharp in a matter of minutes heel to tip.

The knife cuts like a laser, and this method is excellent without grinding metal and edge longevity. The edge always feels finished.

I only use leather paddles. And it brings a wire edge that couldn’t shave, or even bite a nail to factory razor sharp.

I just think it is amazing how you can entirely leave out the stones. As you just do not need them.

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“My daily razor blade”
Spyderco PM2 S30V DLC Black G10
^Wicked Edge guided system^

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jpm2
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Re: Sharpening with leather.

Postby jpm2 » Sat Jul 13, 2019 6:50 pm

What size diamond are you using? and what angle on the WE.

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JonLeBlanc
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Re: Sharpening with leather.

Postby JonLeBlanc » Sat Jul 13, 2019 7:14 pm

I too am a fan of keeping fit and trim on just strops, it's fun. And very helpful in gettin dat edge ultra fine lol.
My collection so far: 52100 Military (2); 52100 PM2 (2); 52100 Para3; Stretch2 V-Toku; KnifeWorks M4 PM2; BentoBox M390 PM2; BentoBox S90V Military; Police4 K390; S110V PM2; SS Delica AUS-6; Wayne Goddard Sprint VG-10
Wish list: Hundred Pacer; Sliverax; Mantra; 52100 PM2 SE; Kapara

FK
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Re: Sharpening with leather.

Postby FK » Sun Jul 14, 2019 7:15 am

Thin hard leather with diamond is excellent to maintain a working edge.
Use light pressure and do not let the apex get too dull.
i have used this technique for years.u

Regards,
FK

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tps3443
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Re: Sharpening with leather.

Postby tps3443 » Sun Jul 14, 2019 10:54 am

jpm2 wrote:
Sat Jul 13, 2019 6:50 pm
What size diamond are you using? and what angle on the WE.
The 10/14 micron is excellent for this! That is what I use.

I strop the edge at 1 degree less than the micro bevel or bevel is set at.

So if the knife has a 20 degree touched up micro bevel from like a sharpmaker or something. 19 degrees will bring back a razor edge.

Or if the knife is new never touched up, stropping at 14 degrees will bring back a razor sharp edge.
Last edited by tps3443 on Sun Jul 14, 2019 11:01 am, edited 1 time in total.
“My daily razor blade”
Spyderco PM2 S30V DLC Black G10
^Wicked Edge guided system^

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tps3443
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Re: Sharpening with leather.

Postby tps3443 » Sun Jul 14, 2019 11:00 am

This method even worked on S110V for me previously. It took some extra pressure, and about 10 minutes of sweat depending on how dull the knife was. But it would bring back a razor blade for sure!

S30V is a lot easier with stropping!
“My daily razor blade”
Spyderco PM2 S30V DLC Black G10
^Wicked Edge guided system^

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tps3443
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Re: Sharpening with leather.

Postby tps3443 » Sun Jul 14, 2019 12:21 pm

Obviously this is an excellent technique because you keep the factory geometry for a long time, including the nice looking tip right from Spyderco. I think 30 degrees inclusive is great on a PM2 in S30V. Unlike my S110V knives I previously owned they were much more aggressive. And they could handle that low dps pretty well.
“My daily razor blade”
Spyderco PM2 S30V DLC Black G10
^Wicked Edge guided system^

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JonLeBlanc
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Re: Sharpening with leather.

Postby JonLeBlanc » Sun Jul 14, 2019 12:23 pm

tps3443 wrote:
Sun Jul 14, 2019 12:21 pm
Obviously this is an excellent technique because you keep the factory geometry for a long time, including the nice looking tip right from Spyderco. I think 30 degrees inclusive is great on a PM2 in S30V. Unlike my S110V knives I previously owned they were much more aggressive. And they could handle that low dps pretty well.
Yeah I like that on a PM2 too
My collection so far: 52100 Military (2); 52100 PM2 (2); 52100 Para3; Stretch2 V-Toku; KnifeWorks M4 PM2; BentoBox M390 PM2; BentoBox S90V Military; Police4 K390; S110V PM2; SS Delica AUS-6; Wayne Goddard Sprint VG-10
Wish list: Hundred Pacer; Sliverax; Mantra; 52100 PM2 SE; Kapara

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Pelagic
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Re: Sharpening with leather.

Postby Pelagic » Sun Jul 14, 2019 3:20 pm

FK wrote:
Sun Jul 14, 2019 7:15 am
Thin hard leather with diamond is excellent to maintain a working edge.
Use light pressure and do not let the apex get too dull.
i have used this technique for years.u

Regards,
FK
If it's very thin and very firm, you can get much more than just a working edge. The harder the medium and the more concentrated the abrasive, the more the strop becomes like a stone.
Deadboxhero wrote:
Thu Apr 04, 2019 9:25 pm
8dps is going to be sharper then 15dps.
Nate wrote:
Thu Apr 04, 2019 4:32 pm
You're the lone wolf of truth howling into the winds of ignorance
Doeswhateveraspidercan wrote:
Sat Jun 15, 2019 9:17 pm
You are a nobody got it?

JD Spydo
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Re: Sharpening with leather.

Postby JD Spydo » Mon Jul 15, 2019 4:53 am

This topic of "Sharpening With Leather" is one I've thought about a lot. But "FK" makes a great point to where you must use it when the blade is at least relatively sharp. It would have a "Sharp-Maintainer" concept rather than to sharpen a super-steel blade from profiling all the way to fine tuning the apex. Which I don't think could be done efficiently with leather.

It is on the other hand quite intriguing when you consider that Barbers have been using leather strops to put the final touches on a dangerously sharp straight razor. It was always difficult for me to believe that a leather strop could do what it does.

I've also been thinking that using small micron diamond dust being impregnated into leather and it's potential of being a great sharpening tool.

I've been slowly getting away from using strops and perhaps I need to take a closer look at what people are using them for. I've even wondered what CBN abrasive might be capable of using it with a leather strop?

FK
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Re: Sharpening with leather.

Postby FK » Mon Jul 15, 2019 5:04 am

The effect on maintaining an edge with diamond vs CBN is identical.
I have also used CBN/leather for years on kitchen knives to maintain the final working sharpness with ease.
I also believe it removes the broken distorted apex rather than bending it back into alignment as with very hard ceramics or old fashioned "steeling" Let me clarify,, this is for micro correction not restorring the main bevel after heavy dulling.

Regards,
FK

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tps3443
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Re: Sharpening with leather.

Postby tps3443 » Mon Jul 15, 2019 6:57 pm

I just stropped my PM2 with my leather paddles again on the wicked edge. Clamp in, and go! The edge is definitely sharper than factory. It is slowly becoming mirror finished. And while it is scary sharp, the mirror finish is causing the edge to lose that bite that a lower grit finished edge will provide.

Cutting rope, or cloth, or paper is fine. But I’ve noticed cardboard or paperboard cutting performance just doesn’t bite in like it should all the time.

So while the knife is strictly maintained sharp factory edge at 15DPS without a microbevel. I think I’m gonna create a microbevel finished at 600 grit 20DPS so the blade bites in much easier with cutting with that toothy edge.
“My daily razor blade”
Spyderco PM2 S30V DLC Black G10
^Wicked Edge guided system^

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SpyderEdgeForever
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Re: Sharpening with leather.

Postby SpyderEdgeForever » Mon Jul 15, 2019 7:14 pm

I believe you just gave sal a new idea, the "Leather Sharp Maker". :)


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