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Box Joints

Discussion in 'Box Makers' started by Tom Smart, May 28, 2019.

  1. Tom Smart

    Tom Smart Member Full Member Thread Starter

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    Cruzin YouTube this morning (cause us retired guys don't have to go to work) and came across this. Making boxes is on my very extensive to do list. Doubt I'll ever be at this level, but this is just very cool.

    Joint of the Week
     
    • Way Cool Way Cool x 2
  2. rocky1

    rocky1 Creator of Shavings and Sawdust! Full Member

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    Beautiful decorative joint, strong no... Reinforced... no. If anything he weakened the wood in the joint further in my opinion.

    Added more glue joints for potential failure. Thinned the wood in the corner out in all respects.
     
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  3. Nature Man

    Nature Man Member Full Member

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    And yet, it looks cool! Pretty creative in my book. Chuck
     
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  4. Mike1950

    Mike1950 Founding Member Founding Member Full Member

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    creative yes- functional- no.
     
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  5. phinds

    phinds Moderator Global Moderator Forum Moderator Founding Member Full Member

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  6. Mike1950

    Mike1950 Founding Member Founding Member Full Member

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    when you decide to build boxes- You have to make choices. There are all kinds of styles. I like the fancy figured wood. fancy joints and figured wood is sorta like one bridge too far. gets too busy. do not get me wrong- I like the fancy joints, but I use joinery for function and show off the wood. also figured wood is very hard to do dovetails or.... notice Paul's ex. all straight grained.
     
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  7. phinds

    phinds Moderator Global Moderator Forum Moderator Founding Member Full Member

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    Yeah, if you notice the actual joint in the video, it is NOT a dovetail joint, it's just a slightly fancy 45 degree cut with a little extra glue surface due to the square in the middle. That does not give the same structural integrity as a dovetail joint.

    Some of the joints in the examples I show are actual outlined dovetails, others are like the one in the video --- great looking if you like that sort of thing, but not as structurally sound.

    Of course, for decorative small boxes, you really don't need much structural support.
     
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    Last edited: May 28, 2019
  8. woodman6415

    woodman6415 Member Full Member

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    Very decorative... as I will never go to that much work for a box ... I am confused about the strength of the one with spline ...
    How much strength does a small box need in corners?...I’ve only built one box for my daughter and mitered joints but had a solid leg on outside of each corner,.. she had it setting on a shelf and has not moved it except for dusting 2 years now .. I can see if it’s a tool box it would need real sturdy corner joints..
     
  9. rocky1

    rocky1 Creator of Shavings and Sawdust! Full Member

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    Being a decorative box, no it doesn't need a lot of strength. My point was, people had commented that the 45 joint wasn't strong, and he inferred he had fixed that by adding the spline in the joint. Which is questionable at best.

    While you have added a meager amount of glue surface, you've gone from 1 glue joint subject to fail over that area affected, to 4 glue joints subject to fail, and weakened the two pieces in the corner. It's just not structurally more sound in my book. Does look really cool, not going to deny that at all, but I just don't buy his theory that this is somehow stronger.
     
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    Last edited: May 28, 2019
  10. phinds

    phinds Moderator Global Moderator Forum Moderator Founding Member Full Member

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    That's implied, not inferred.


    grammar-police-badge.png
     
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  11. Mike1950

    Mike1950 Founding Member Founding Member Full Member

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    Oh my the grammer cop got ya Rocky.
     
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  12. Mike1950

    Mike1950 Founding Member Founding Member Full Member

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    I probably have made 100 coved boxes. All mitered some splined 8+-×12+-×5+-. They reside in almost 20 states, texas has a bunch of them. Started making them in 2009 or 10. So far i have heard of no failures. 20 of them still are here with kids or grandkids. IMO miter is a good joint for box if bottom panel floats (i use plywood) and miters are tight.
    Rejects in shop take a beating and i have not destroyed yet.
    I do not think spline weakens but it will not fix bad miter.
     
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    Last edited: Jun 6, 2019
  13. Diver Temple

    Diver Temple Member Full Member

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    But they are pretty!
     
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