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The Bowclamp is a specialty clamp, designed to go where no other clamp will go… out there, in the middle. Evenly distributing the clamping pressure everywhere along its length where it contacts the work-piece.
They can be used to clamp flat, large surface areas, using multiple pieces across the width of the work-piece. Add platens (scrap MDF) to increase coverage as well. The clamping pressure radiates from the clamp head, at approximately a 45 degree angle. For each layer of ¾” platen added, that’s an increase of 1 ½” wide in coverage. It’s best to allow for some overlap.
Clamping could be done using a flat, rigid bench, but this is not a requirement either… again, nothing fancy.
Simply use the Bowclamps in pairs on top and bottom. Both heads of the clamp attach into the t-slot, eliminating the fumbling typically associated with home-made cauls, and flatten until the end of the work-piece. Another added benefit, over vacuum bagging, is the need for the “right” size platens, and corresponding shim material, to avoid crowning of the platens, as the bag pulls the ends down. Since clamping is only done until the end of the work-piece, not beyond, this problem is also eliminated. Any size piece of scrap from the pile will do.
Fine woodworking need not be expensive. “I want three dozen of those things in my shop.” Frank Pollaro
BowClamp is designed and distributed by:
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