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27th July 2019, 11:42 AM #16
The current build I’m doing is veneer on ply panel . 7mm cut timbers pressed with a single screw I welded up between two steel square hollow section . It getting a 165 x 40 Oak mitred top all around . The ply will give no problems. Think I’ll still lock the mitre join .
. 0AE10755-8D1F-42FA-BB47-5A1D70FAB5DE.jpg 7C4CB64A-BE99-41E8-80CF-E2E97FBE8142.jpg
Poly glue that sets in 15 minutes has been good on this job .
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27th July 2019, 03:37 PM #17
Wood movement is not a myth it is real. Woodworkers around the world use wood buttons, sliding dovetails, breadboard, frame & floating panel. Why all the trouble? Because we all understand that a piece of wood will move no matter where you put it. And when it decides to move, nothing in the world can contain it. People used to split rocks by using wooden wedges and water, and that tells you something.
Visit my website at www.myFineWoodWork.com
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27th July 2019, 04:15 PM #18SENIOR MEMBER
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Love the contrast between the timbers, stunning.
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28th July 2019, 12:07 AM #19
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28th July 2019, 12:50 AM #20
This thread is getting a bit frustrating! Of course wood warps, twists, and expands in response to changes in temperature and humidity... particularly if it was not well dried or is heavily figured, or if there is a twist in the grain or if milled in a particular way.
What I can tell you with absolute certainty is that this sort of movement has not been a problem with the furniture that I have built so far. Including other pieces with Ash framed Jarrah panels just like the table on the top of this thread. Maybe I have been doing something that I am not aware of - but the more likely explanation is that the oil or polyurethane finishes that I've used lock in the moisture in the wood and makes the pieces stable to all but the most extreme fluctuations in temperature and relative humidity. All projects are very vulnerable until the finish goes on.
Have you seen Rob's post? He says that he has made many famed panel table tops and has never had a problem. So why should opinion trump extensive experience?
Go on avoiding the technique if you like, but you'll be missing out...
Regards
Jorge
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28th July 2019, 06:50 PM #21
Sorry Jorge, I should have kept the opinion to myself. My apologies.
Visit my website at www.myFineWoodWork.com
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29th July 2019, 11:40 PM #22
All good Wongo - After all you are right! Wood does warp, expand and contract and there ARE several techniques designed to ensure that that does not result in catastrophe! Above all it was not you who predicted that the table in the original post will warp and break within months. Perhaps I replied to and quoted the wrong post.
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All good Wongo - After all you are right! Wood does warp, expand and contract and there ARE several techniques designed to ensure that that does not result in catastrophe! Above all it was not you who predicted that the table in the original post will warp and break within months. Perhaps I replied to and quoted the wrong post.
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