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Reply by JayCee123

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Posted on In a bit of a pickle

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JayCee123

200 posts in 1159 days


#1 posted 05-03-2017 11:05 PM

Hi Mash-

I’d just rip the breadboards to get rid of the nick.

If the tabletop was important enough to me, I’d cut off the breadboard ends, cut new tenons and dados, and provide a hole/peg at the middle and at each end of the breadboard. Thats a minimum of three holes, but you’ll need more pegs depending on the width of the table top. The middle peg hole should be drilled to accommodate the peg, through both the breadboard and the tenon. The peg should be glued into place, some glue on the tenon at that point wouldn’t hurt. The end pegs are a little different. The holes in the breadboard should be sized to accommodate the peg, but the hole through the tenon should be slotted (elongated) along the length of the tenon. To determine the size of the elongated slot, you’ll need to consider the wood species and the width of the top. When your drilling for the pegs, clamp the breadboard tight to the field, drill your holes, remove the breadboard and then elongate the end peg holes in the tenon. When you drive your end peg in place apply glue to the top portion of the peg just before its driven into final position, such that the peg is only glued to the breadboard and not the tenon. Also apply a small amount of glue to the hole in the lower portion of the breadboard, so that once the peg is driven into position the peg is only glued to the breadboard. The tenon needs to be able to slide along the peg and the breadboard to accommodate seasonal movement … and the table top field will move !

Heres a picture of a table top made from Purpleheart for the field and the breadboard ends. Its decades old and has been through many seasonal changes. The top is only about 15” wide and has only 3 pegs in each breadboard, one in the middle and one at each end. When it was originally assembled the breadboard and the field were flush. During the winter the field shrinks and the breadboard is over an 1/8” beyond the field at each end. During the summer the field expands and eventually aligns with the breadboard ends. This picture was just taken, and you can see that the field has yet to expand to meet up with the breadboard end, but by August it will be even with the breadboard ends, just like last year :)


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