JNat edge?

Discussion in 'Hones/Honing' started by Seraphim, Apr 23, 2012.

Which one is the JNat edge?

  1. Edge A

  2. Edge B

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  1. One of these edges was honed on a JNat, the other on 1um lapping film with a 0.5um diamond/chromox SynthSlurry.

    Both are GDs.

    There is some lighting variation, as one of the images was taken some time ago, and lighting differences plays a key part in actually seeing "what is what", but I felt these two edges were visually pretty similar.
     

    Attached Files:

  2. Additional info:



    Here's a look at the surface of a tomo nagura slurry stone, (I updated this)

    And the 1um lapping film
     

    Attached Files:

    Last edited: Apr 25, 2012
  3. I voted, can't wait till the reveal.
     
  4. I voted. If I'm right do I win a GD?
     
  5. Kentos

    Kentos Moderator Emeritus

    Wow! What über-honemeister did that jnat edge?!?
     
  6. No, that's going to be a different thread someday....
     
  7. This was too easy :p

    Did you shave with them too?
     
  8. I'd say B based on the coarser scratch pattern and the nagura, but if that's in fact the case, I'd also say that a finer finisher would equalize the story...
     
  9. Did he finish with that nagura, or something else?
     
  10. Kentos

    Kentos Moderator Emeritus

    He finished with mini back and forth heel to toe motions on water...maybe he needed to do more, but the Iwasaki method calling for 10-15 minutes of that was too much for his ADHD, and someone didn't want any cubic moron spray finishes.
     
  11. Kentos

    Kentos Moderator Emeritus

    BTW that edge was a guinea pig test to see how Iwasaki's method looks under your scope. So far it gives that über guy pretty nice shaves.
     
  12. So, yes, edge B was the JNat.

    The challenge is for me to try and recreate that same kind of edge using synthetics.
     
  13. Here is an abomination:

    A tomo nagura on 3um lapping film!


    Oh, the humanity!



    The edge looks pretty crummy...

    I'll keep working on it.
     

    Attached Files:

  14. Kentos

    Kentos Moderator Emeritus

    Ouch! My bad dude...use the larger flats!! The thinner sides are exterior rock that I smoothed down on a DMT. No wonder it won't work. The light green area are what you want slurry from.
     
  15. So much for my Uber-meister badge.....:death:
     
  16. maybe rub two tomonagura together to slurry, and put that slurry on the film, and then hone?

    Theory - the slurry from the tomo off the 1 um film, even if you use the right side of the Nagura, might not be as fine as it would be it was generated on an Awasedo.
    The slurry breaks down - but only to a point,,,so maybe if you start the slurry finer, you can go further.
    I don't know... just thinking out loud here...
     
  17. +1, that makes a lot of sense.
     
  18. The JNat edge (B) is at about the refinement level I see for between 1-3um lapping film. I think creating a slurry at the 1um level is pretty refined. I even gave 0.5um a whirl, but nothing conclusive yet.
     
  19. I hear what you're saying, but I'm thinking that the abrasive particles in the film might not be abrading the stone the same way another stone would.
     
  20. I updated the pic showing the correct side of the slurry stone.
     

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