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Reply by CharlieM1958

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Posted on Clamping Cauls

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CharlieM1958

15714 posts in 2942 days


#1 posted 01-05-2010 04:12 PM

To my understanding, the only reason to have any crown at all in cauls is to make sure there is no slack in the middle when you clamp the ends. So the amount of crown needed is really very slight.

And, again to my understanding, the only purpose for cauls is to keep the parts of a glue-up aligned. So when you say that you’re not sure if your cauls were effective, I’d say that should be obvious. If things were aligned when you took the clamps off, your cauls did exactly what they were supposed to do.

When I use cauls, it is generally on small panels. I don’t even bother with a crown… I just make sure they are straight by laying them on the saw table. If I was gluing up something large, like a dining table, I’d want to have a little crown to be safe.

-- Charlie M. "Woodworking - patience = firewood"


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