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Author Topic: Clamping a live edge glue up.  (Read 1000 times)

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Online btulloh

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Re: Clamping a live edge glue up.
« Reply #20 on: February 16, 2021, 09:38:46 PM »
I stopped putting glue on the biscuits for that reason. They swell. Can also cause a surface swell. If you sand the surface before all the moisture is gone, there will be a slight depression after a couple weeks when the swell shrinks down as the wood in that area reaches emc. Since itís a long grain to long grain joint, thereís plenty of strength anyway and the biscuits are only needed to keep the joint aligned when clamps are applied. BTW, this swelling occurs along the glue line as well. It pays to wait before leveling the surface or you will probably get a depression along the glue line. 

Offline doc henderson

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Re: Clamping a live edge glue up.
« Reply #21 on: February 16, 2021, 09:45:56 PM »
you can also put a desiccant pack in the container and keep it closed, or put them in a dehydrator and then store them if the gain moisture.  just like the ones for a gun safe, they can be recharged in the oven.  I get ones from like shoe boxes ect. and other packaging.
timberking B 2000, 277c track loader, PJ 32 foot gooseneck, 1976 F700 state dump truck, JD 850 tractor.  2007 Chevy 3500HD dually, home built log splitter 18 horse 28 gpm with 5 inch cylinder and 32 inch split range with conveyor 12 volt tarp motor

Offline DonW

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Re: Clamping a live edge glue up.
« Reply #22 on: February 18, 2021, 08:14:14 PM »
My suggestion depends on your dimensions to a degree. I think you can rule out bar clamps. The one time I've glued up live-edge stuff I clamped one side firmly to the workbench top small face down laid up the mating plank and place a sufficient caul loosely parallel and clamp that down tight. In between the caul and free plank you can set a series of opposing wedges spaced so you get glue squeezing out along the whole joint. 
Hjartum yxa, nothing less than breitbeil/bandhacke combo.

Offline Nebraska

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Re: Clamping a live edge glue up.
« Reply #23 on: February 18, 2021, 11:47:10 PM »
I like the wedge suggestion  good way to do that..  I hope to have a wood shop with a work bench for nice projects, My small shop has two, neither fit for wood projects. Plus I have  to keep the work truck in there heated, it is bad if it freezes so no room this time of year.

Offline alan gage

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Re: Clamping a live edge glue up.
« Reply #24 on: February 19, 2021, 03:04:32 PM »
The joint wasn't as nice as I wanted it but I am contemplating working a little dust from the sander into some thinned epoxy and working into the joint with a syringe to camoflauge it a little.


I think thinning the epoxy will be unnecessary because when you add the sawdust for coloring it will thicken the epoxy to stiffer than when you started. But that's not a bad thing. For filling holes and cracks I much prefer thickened epoxy about the consistency of peanut butter. It's much easier to apply and it doesn't find a crack to run out on the bottom side. Just work it in with a piece of wood or plastic squeegee and leave it slightly proud for sanding once cured. If you catch the epoxy while it's still green you can shave most of the excess off with a sharp chisel to save yourself a little sanding.

Alan
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Offline Nebraska

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Re: Clamping a live edge glue up.
« Reply #25 on: February 19, 2021, 03:38:59 PM »
Thanks Alan 
..I won't thin it first, I will find a little plastic putty knife to push it around with and work it in the gap. Weather is finally breaking maybe Sunday  it will be warm enough to try it. 


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