I managed to obtain a ply foam ply 20mm sheet to use for the top of this table project, as it is going to be oak and oak is heavy and I believe can be unstable I wanted to laminate the oak onto something stable and light, the foam core is a pva foam and seems to take all glues OK the ply is 3mm.
Here I show the 3 leaves of the table top as it will look at its smallest each piece is 500mm X 1040mm when finished so the table will be 1500mm X 1040mm the center piece will be fixed and the outer 2 will slide out to reveal 2 butterfly leaves that will fold out.
This picture shows each panel waiting for the boarders to be glued on, the oak panels are about 7mm thick and will be sanded down to about 6mm one day, each plank is 73.3mm wide and glued together with pva before being vacuumed bagged onto the ply panels with epoxy, the boarders will have to be glued and cramped one at a time.
Here I show the butterfly leaves in place I moved one to show the join that will have 2 Soss type hinges eventually and will pivot to allow them to fold away underneath, all the oak to date has been free and with cutting and machining I managed to avoid many defects though much has ended on the floor and in the rubbish I hope its good for the garden, I have enough to panel the backs that will again be vacuumed on after the fronts are complete and sanded, the edges of the top I hope will have a similar pattern as shown in the last post.
The leg shape is still being decided but will again probably involve some of the pattern shown in the last post so there is still some of that to be made.
Here I show the two curved pieces that will span the legs lower down about 200mm of the floor they will have a through tenon on each end and a wedge system, the piece gluing in the jig has formed the top to the pieces on the ground then the piece in the last post will be ripped into strips and glued onto each side of those curved pieces, but that is some way down the track as I need the base of the table made to determined where the legs will sit and the legs made so it will all happen in good time, and lots to look forward to.
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When you wrote of laminating oak onto a foam core I was reminded of the structure of the WW2 Mosquito, which I seem to remember was something like spruce with a balsa core (??). It is fascinating blending traditional and modern materials, and wonderful to have this glimpse of your creativity and problem solving in action! Looking forward to seeing the table project as it develops.
ReplyDeleteBest Wishes, P