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TOPIC: A theory of how the WE diamond pastes work

Re: A theory of how the WE diamond pastes work 2 years 5 months ago #2462

  • wickededge
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Okay, back on track now... Returned to the 1000 grit stone, worked the stone until I reached the edge:

1000grit150passes-1stround.jpg

510x - 1000 grit diamond stone - 150 passes

Then I took the 1 micron strops and completed 300 passes:

1micronafter1000grit-300passes-1stround.jpg

510x - 1 micron diamond and leather strops after 1000 grit diamond stones - 300 passes

There was an extreme amount of stiction with this strop, much more so than with the others, most likely because it's the one seeing the most action. Pushing the strop against the blade was causing the Paperstone base to lift with each stroke.
--Clay Allison
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Re: A theory of how the WE diamond pastes work 2 years 5 months ago #2463

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Back again to the 1000 grit diamond stone for another 150 passes:

1000gritafter1micron-150passes-2ndround.jpg

510 x - 1000 grit diamond stones - 150 passes

10micronafter1000grit-100passes.jpg

510 x - 10 micron diamond and leather strops after 1000 grit diamond stones - 100 passes

3.5micronafter10micron-100passes.jpg

510 x - 3.5 micron diamond and leather strops after 10 micron diamond and leather strops - 100 passes

1micronafter3.5micron-100passes.jpg

510 x - 1 micron diamond and leather strops after 3.5 micron diamond and leather strops - 100 passes

There was a very marked difference in resistance from the different strops with the resistance from the 1 micron set being by far the highest.
--Clay Allison
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Re: A theory of how the WE diamond pastes work 2 years 5 months ago #2464

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So, here are side by side the 1µ - 300 passes and the 10µ -100 passes> 3.5µ - 100 passes> 1µ - 100 passes:

1micronafter1000grit-300passes-1stround.jpg

510x - 1µ - 300 passes

1micronafter3.5micron-150passes.jpg

510x - 10µ -100 passes> 3.5µ - 100 passes> 1µ - 100 passes
--Clay Allison
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Re: A theory of how the WE diamond pastes work 2 years 5 months ago #2465

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So far, it seems like we've confirmed that the best stropping effects come from burnishing, which happens when there is adequate 'stiction'. Learning how to get the strops properly seasoned so that they have the right amount of 'stiction' is something we should study next.

I deliberately did a few strokes at an angle in the last progression to help us visualize the scratches from the finer strops which opens up a whole line of inquiry: what density of diamonds at which grit provides the best teeth for which jobs?

I'm going to try adding some of Keith's 1 micron spray to my 1 micron pasted strops to see if I can keep the stiction but add more diamonds. More studies to come!
--Clay Allison
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Re: A theory of how the WE diamond pastes work 2 years 5 months ago #2466

  • razoredgeknives
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Thanks so much for this Clay! It would, in fact, seem as if the 10>5>3.5 progression yields better results in the end... wasn't so clear in the first one.

Still curious... which blade is this you are sharpening?
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Re: A theory of how the WE diamond pastes work 2 years 5 months ago #2467

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razoredgeknives wrote:
Thanks so much for this Clay! It would, in fact, seem as if the 10>5>3.5 progression yields better results in the end... wasn't so clear in the first one.

Still curious... which blade is this you are sharpening?

That's a blade I designed for hunting that we'll be releasing soon. AUS-8 steel at 57-58 RHC. It's nothing fancy, actually a very inexpensive knife that fills a particular need. Details to come soon... ;)
--Clay Allison
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