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Thread: WIP Honesuki

  1. #1
    Senior Member jessf's Avatar
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    WIP Honesuki

    I called my local steel supplier and they had A2 and D2 steel in stock. So I thought about it and did a little research and decided that the D2 would be as good a place to start. It's used for tool and die, planer blades being a common use. I figure the best knife geometry and grind for this type of steel with large carbides might be a thick, single bevel honesuki as that most closely resembles a planer blade.

    Steel is D2 1/4"x2"x24"

    Blade specs will be:
    -165mm choil to tip
    -45mm at the heal

    Nothing fancy, just a grinder, painters mask, safety squints, ear protection, gloves a few clamps and falling snow.


    I used a scrap piece of steel as a straight edge with great effect.




    this pile of garbage crapped out half way through. Smoked the motor, might be the brushes or windings or some other factory defect. Either way it was a gift from two years ago and I don't recall registering the warranty. Luckily I have two grinders and was able to finish the job.



    A little cleanup on the belt sander. I need to work the radius on the choil area because right now the blade tapers too much where the tang would enter the handle. From what I've seen, the spine and the front side of the tang area are parallel lines as they enter the handle.


    got the backside flat, I will need to hollow grind this later, for now it can remain flat.


    Call this a rough blank and my task done for the night. On Wednesday I'll take the grinder to it again and begin thinning it out.

  2. #2
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    That is so cool. any idea on what the hrc on that is going to be.

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    Twistington's Avatar
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    Ah, the safety squints... how could anyone with an angle grinder live without them?
    -"we're gonna make gluten free lasagna"

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    Senior Member jessf's Avatar
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    Once it's hardened I believe D2 can go as high as HRC65 but I imagine I'll shoot for 61-63 range. I'll be sending the blade to Bodycote for heat treating so it will be up to their expertise. I know a guy who knows a guy that can test the HRC to confirm.

    Quote Originally Posted by Godslayer View Post
    That is so cool. any idea on what the hrc on that is going to be.

  5. #5
    Senior Member jessf's Avatar
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    I don't know where i got 65 from. What I'm reading now says 63 is the limit. Either way, it will be in the 60's range.

  6. #6
    Senior Member jessf's Avatar
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    another night, and some more progress. I need to even out the bevel but I'm basically 80% there me thinks.





    WIP Honsuki Poem:

    Word to the wise,
    and people with hair,
    wear a hat when you grind,
    That **** gets everywhere.

  7. #7
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    Quote Originally Posted by jessf View Post
    Word to the wise,
    and people with hair,
    wear a hat when you grind,
    That **** gets everywhere.
    lolol nice work all around

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    Senior Member jessf's Avatar
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    Quote Originally Posted by chiffonodd View Post
    lolol nice work all around
    gracias.




    if I had to do it again I'd start with thinner stock.

  9. #9
    chefcomesback's Avatar
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    Looks very nice

  10. #10
    Senior Member jessf's Avatar
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    a bit more work. I think it's ready for the heat treat. The rest of the grinding and finishing will come after. I do want to stamp some kind of initial in there. I may try and make a small chisel out of a scrap piece of the D2 which I can crudely harden at home. see if that works.





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