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Thread: Straightening a Tang for Custom Wa-Handle Install

  1. #1
    Senior Member aboynamedsuita's Avatar
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    Straightening a Tang for Custom Wa-Handle Install

    I am installing some wa-handles on my honyaki knives (pics and more details later once I'm done). One of the tangs kind of bends off at a bit of an angle, so when fitted it causes the blade to deflect a bit from the straight line projection of the handle to the right.

    This pic shows the left side of the sujihiki laying flat, and the tang is flat for about the first 35mm or so, then it has a kink/bend, but then everything after is flat.


    Any suggestions on how to remedy?

    I tried protecting the blade and the first 30mm of the tang then clamping between some 2X4s, and flex the tang back, but that doesn't seem to work too well… not sure if it needs a more sudden and forceful movement, but being honyaki I'm kinda iffy even though the tang isn't hardened steel.

    The other option I can think of is to try and hollow out the one side of the handle a bit more with a micro rasp to counter balance the displaced tang, but that could be risky too.

    Lastly I could just live with it, although it may drive me nuts every time I see.

    Any other thoughts, opinions and perspectives are welcome.

    Thanks,
    TJ

    "A dull knife means you're a ******* loser" – Matty Matheson

  2. #2
    Senior Member jessf's Avatar
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    Just whack it with a hammer.


  3. #3
    Senior Member aboynamedsuita's Avatar
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    I was kinda thinking that, but since it is honyaki Also thought the resonating vibrations could be a problem. Probably best to do the clamped 2X4s on the blade and first bit of the tang, then work the remainder of the tang on an anvil or equivalent with a hammer
    "A dull knife means you're a ******* loser" – Matty Matheson

  4. #4
    Senior Member panda's Avatar
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    cover the blade with clay, and then heat up where the heel meets the tang so you can bend it? (with a focused heat gun)

  5. #5
    Senior Member chefcomesback's Avatar
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    Wrap the blade with wet towel , Heat the tang with torch , with map gas it should hit red within 20 seconds , hit it hammer , taps rather than big hits . Repeat till it is flat . Honyaki tangs are easier than fully hardened blades , don't try this with stainless.

  6. #6
    Weird Wood Pusher Burl Source's Avatar
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    Quote Originally Posted by jessf View Post
    Just whack it with a hammer.
    That is how I fix everything.

  7. #7
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    Quote Originally Posted by Burl Source View Post
    That is how I fix everything.
    Surely you use glue sometimes?😆
    You may find yourself in a beautiful house, with a beautiful knife
    You may ask yourself, well, how did I get here?

  8. #8
    Senior Member aboynamedsuita's Avatar
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    Thanks for the input Mert.

    Just to clarify, when I mentioned "my honyaki knives" I'm referring to J-knives that I own...

  9. #9
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    Have you tried to just bend it at the apex against, say the edge of a cutting board. I've straitened peoples knives like that for awhile. just be gentle......or whack it with a hammer haha

  10. #10
    Senior Member chefcomesback's Avatar
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    Quote Originally Posted by tjangula View Post
    Thanks for the input Mert.

    Just to clarify, when I mentioned "my honyaki knives" I'm referring to J-knives that I own...
    No problems, This will work on honyaki knives regardless of where they are made.


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