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Sharpening a Misono Sujihiki
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Thread: Sharpening a Misono Sujihiki

  1. #1

    Sharpening a Misono Sujihiki

    Hi all,

    I tried to post this yesterday, but must have screwed something up. Sorry if my question ends up getting posted twice...

    I need to sharpen my wife's Misono Sujihiki knife. It doesn't appear to have a bevel on the back, so I think it is a single bevel? I searched around a bit and found a video and some descriptions of uraoshi. I took a few swipes on the 8000 stone and it appears the back is convex - the middle is getting polished, but the edge and spine are untouched. So I am wondering how to proceed. I'm afraid if I try to flatten the entire back, I'll remove too much material. Should I just put a back bevel on it? Do these knives generally have convex backs?

    Thanks,
    Christian

  2. #2
    The alleles created by mutation may be beneficial


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    Put a bevel on the back, it's designed to be a single bevel knife.

  3. #3
    Senior Member

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    I have not seen one in person but I would be shocked if it was a single bevel. Sounds like the left side just has a tiny bevel from deburring. To sharpen, grind the right side until you get a burr and then deburr on the left. If you start to get steering, put a few extra strokes on the left side until you are comfortable with the performance.

  4. #4
    Uraoshi is for true single bevel knives- Yanagiba, deba, usuba, etc.

    Gyuto, sujihiki, petty, santoku, etc. will always be double bevel knives. You can sharpen asymmetrically, but dont do uraoshi on those knives.

  5. #5
    Senior Member Benuser's Avatar
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    What is different with Misonos is that they convex the edge of the back blade as well, and go far in doing so. I once found a 10 / 14 degree edge to be brought to 17 / 17. You don't have to follow that idea. Begin by removing the shoulder on the face side, work to the very edge and deburr the other side.

  6. #6
    It's an asymmetric edge that has been worn down. it used to have a tiny little bevel back there.

  7. #7
    Senior Member ThEoRy's Avatar
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    Sujihiki is a double bevel knife. Sharpen it as such.
    Starting this harvest I'm a starving startling artist/
    Lyrical arsonist it's arduous spitting this smartest arsenic/

  8. #8
    Canada's Sharpest Lefty Lefty's Avatar
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    Yup, what these guys said. Sometimes those back bevels are almost non-existent.
    I like your wife's taste in knives, by the way.
    09/06

    Take a look around at: www.sharpandshinyshop.com

    Email me at: tmclean@sharpandshinyshop.com

  9. #9
    OK. Thanks everyone. Glad I asked. And glad I don't have to spend the next few hours grinding away at the back :-).

    Christian

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