Clamping jig for glue ups

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Forum topic by RussellAP posted 12-22-2012 08:48 PM 1462 views 0 times favorited 4 replies Add to Favorites Watch
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3104 posts in 2314 days

12-22-2012 08:48 PM

Imagine a cast iron box.
This box has adjustment wheels like a table saw so you can increase the length and the width of the box.
Further imagine that there is a fixed bottom to this box.
So you have a cast iron box, which measures roughly 20”x 6”x24”deep.
It’s adjustable so the box and be made to fit whatever glueup you have.
Then for the to of the box, you have a bar which is attached to two or three more wheels that you can use to crank down on the boards inside the cast iron box.

Glue wont stick to cast iron.

The box is perfect so all you do is crank the box down to fit the size of the glue-up. and you put pressure from the top evenly and you can get much more pressure.

You can make the interior of the box with little ridges to allow for air flow and have 1” holes in the cast iron to keep air circulating around the boards.

Tell me why some tool company hasn’t done this yet?

-- A positive attitude will take you much further than positive thinking ever will.

4 replies so far

View Loren's profile


10476 posts in 3675 days

#1 posted 12-22-2012 08:54 PM

Are you talking about a drawer or case clamp? I have
a drawer clamp. It’s pretty cool. It’s very heavy
and would have been quite costly when new.

View RussellAP's profile


3104 posts in 2314 days

#2 posted 12-22-2012 09:05 PM

Loren, something that would have it’s own stand. It would look like a jointer. bottom would be flat cast iron with ridges and holes for air flow, the back would be 7” cast iron, like a fence. The sides would also be 7” by 24” with an attachment point for the top which is where you put the pressure on the boards after you glue them and put them in the box. Then all you do is put the top on and crank down and let dry. It would make a perfectly straight glue up, unless the boards warp afterward.

-- A positive attitude will take you much further than positive thinking ever will.

View George_SA's profile


370 posts in 2241 days

#3 posted 12-22-2012 09:14 PM

The problem is that it will be very expensive and woodworkers being what they are will build their own jigs simulating the jig and the tool company will not make any money from it :-)

-- Sometimes life gets in the way of one's woodworking :)

View patcollins's profile


1685 posts in 2893 days

#4 posted 12-22-2012 09:18 PM

That would be really really heavy too.

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