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Post by bobm on May 23, 2019 22:21:16 GMT
Hi does anyone have any tips or pointers on what glue to use when joining the two halves of a fresh wood tsuka core? Do they use dowels as well? Thank you.
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Post by skane on May 24, 2019 1:35:57 GMT
Titebond III. Very strong stuff. No dowels.
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pgandy
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Senior Forumite
Posts: 10,296
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Post by pgandy on May 24, 2019 2:02:08 GMT
Skane beat me to it. I might add much of the strength will come from wrapping, not panelled, with ray skin.
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Post by bobm on May 24, 2019 4:20:07 GMT
Thanks guys. What I’m trying to do is make a Shirasaya tsuka so it won’t have wrapping at all. I could go on YouTube but you guys are a much better wealth of knowledge. Is the construction basically the same but just no koshirae? Just worried that glue wouldn’t be enough. Thanks guys.
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Post by Cottontail Customs on May 24, 2019 5:29:04 GMT
traditional shirasaya were glued with sokui so they could be opened for cleaning. for a permanent bond, use a good wood glue, as mentioned above. using the shirasaya tsuka for cutting is not recommended since it's lacking most of the strength and support of the metal collars and cord binding, poor fit of the nakago will only increase the stress. if you want to make a stronger wood handle without wrapping, you're probably better off doing it with a solid piece of wood, like used for many euro sword grips. the use of a good quality wood glue will definitely add more strength overall than rice paste but the tsuka could still split on a bad angle cut. perhaps adding pins through the wood like knife scales (not the removable mekugi) might also help in this case, as would making the tsuka permanent by using epoxy to attach it to the nakago.
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Post by bobm on May 24, 2019 7:30:27 GMT
traditional shirasaya were glued with sokui so they could be opened for cleaning. for a permanent bond, use a good wood glue, as mentioned above. using the shirasaya tsuka for cutting is not recommended since it's lacking most of the strength and support of the metal collars and cord binding, poor fit of the nakago will only increase the stress. if you want to make a stronger wood handle without wrapping, you're probably better off doing it with a solid piece of wood, like used for many euro sword grips. the use of a good quality wood glue will definitely add more strength overall than rice paste but the tsuka could still split on a bad angle cut. perhaps adding pins through the wood like knife scales (not the removable mekugi) might also help in this case, as would making the tsuka permanent by using epoxy to attach it to the nakago. Thanks for the info. It would definitely only be for display. Like an alternative to the koshirae. Also a little project for myself. This is great info and thank you all for taking the time to reply to me. Happy cutting!
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Post by Silent on May 24, 2019 8:00:23 GMT
I dont mean to hijack this thread but I cam currently making 2 costum tsukas for 1 pavel bolf and 1 hanwei.
I was thinking of gluing them the wood with epoxy. The saya I made i glued it with regular wood glue, but I just wanted something stronger for the tsuka, is this a bad ideia?(BSI 5min or 30 min epoxy)
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