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  1. #1
    Join Date
    Sep 2022
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    barcelona
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    Lightbulb I made a knife using Japanese joinery techniques (Process Video!)

    Hi everyone! I just wanted to share a recent project with you that I hope you might find entertaining or insightful. I recently finished a process video documenting ma Japanese joinery knife handles. Making a Kanawa-Tsugi joint on this micro scale is well... somewhat complicated. In western terms the joint translates to a half-blind tenoned, dadoed, and rabbeted scarf joint. The joint is carefully measured and adjusted slightly against traditional ratios/angles in order to compensate for the small scale. It's a joint that is typically used for joining beams together by timber framers in Japan.

    Hand-forged Japanese Joinery Knife: Kanawa Tsugi ??? - YouTubeI've made a few of these knives now and they are all holding up well but with this variation I've opted to stabilize the handle with G-Flex epoxy resin in order to deter any moisture or material degradation. This keeps the handle rigid and allows me to drill the holes for the hidden knife tang without potentially loosening the wedges. I'm happy to answer any question regarding the process. and now onto the steel: This santoku/gyuto hybrid is forged from 102cr6 steel. It has been normalized three times before receiving a 10 minute soak and quenching in fast quench oil. Following the quench it was tempered at 200 degrees in 2 stages of 2 hours each. I would love to hear your feedback - this is a direction I'll continue to pursue as I believe I'm bringing something unique to the conversation of knife making.

    Thanks for taking the time to watch!

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  3. #2
    Join Date
    Jan 2012
    Location
    Littlehampton, SA
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    300

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    Amazing work. You have skillfully shown many techniques in this project. Well done.

  4. #3
    Join Date
    Apr 2007
    Location
    Adelaide Hills, South Australia
    Posts
    4,311

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    Thanks for sharing.

    You might also like to post this in our Japanese Hand Tools sub-forum.

    Over there the interest may also be in your blacksmithing of your blade.
    Stay sharp and stay safe!

    Neil



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