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Discussion Starter · #1 · (Edited)
Jig made to join narrow boards edge to edge. Uses threaded rod(any length) and 2 rabbeted boards rabbets facing up to capture the board edges. No need for clamps. Holes are bored simultaneously for alignment just under the rabbet to fully support the boards.
 

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Well now, that's pretty neat, Bill.
Thanks!
 

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Actually what you have made here is a clamp - it's just not store bought!
You have demonstrated very smart work and "thinking outside the box". I make things like this constantly (never exactly this though) and they're super handy and easy on the budget. We woodworkers very frequently find ourselves in situations where using something "home-made" is the best approach to successful construction. Very nice! OPG3
 

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love the jig but just wondered with threads just below do you get any cupping or am i worrying about nothing.
That's usually the reason for alternating sides with clamps. It's to give even clamping pressure on the joint & to help reduce the tendency to cupping. You don't want the center of your clamping force applied to one side of the material. I think it would be more of a problem with material that's a little wider than shown in the photo.

Maybe a clamp could be added to this jig in the other direction over the joint to hold the joint down in the jig?
 

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It looks like it would be easy enough to add a couple of flat boards and as many wide throat clamps as needed to keep the work flat.

It ain't Rocket Surgery.... If it was, Moses would have needed an engineer to build the Ark!
 

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It takes very little pressure to clamp a glue up. The object is to hold the boards firmly together; not compress them. This is why small items are clamped with rubber bands or tape. To help with alignment build a simple clamping caul. Be sure to place wax paper between the cauls and your wood so they do not stick.
 

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