185. A THUMBTACK makes great clamping cauls #mtbitesize #shorts #cauls

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A caul is a clamping aid used to apply pressure evenly to stock during glue up. They’re simple to make but only effective depending on how you use them with your clamps. If you’re using cauls to clamp along the surface of your stock with f-clamps every few inches, a couple of flat boards with parallel sides is all that you need to uniformly add pressure along an entire glue up.

The second way to use cauls is to put pressure down over the surface of an otherwise difficult to clamp area, like an area with a large surface. Cambered cauls rely on the outer edges being more narrow than the center. When pressure is put down on the ends, pressure is squeezed along the entire board allowing a set of clamps to get the job done. There are some big, very complicated jigs you can use to cut cauls, but we can accomplish the same thing with a single thumb tack.

To make cambered cauls, cut stock to the distance needed for your glue ups, adding a tack to your stock, an inch in from the end. Press the blade up next to the center of your caul and cut one way, repeating the process on the opposite side.

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Видео 185. A THUMBTACK makes great clamping cauls #mtbitesize #shorts #cauls канала Make Things