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Handscrew clamps
Hello,
Here is my version of the old handscrew clamps.
My main constraint was that I couldn't find any left hand threaded rods, so here is how I built with regular right hand threaded rods and simple nuts.
http://www.labellenote.fr/file/Woodw...ses_2vis_0.JPG
The pivots are made of 25mm diameter pipe sections, which have the good idea to just let a regular 10mm nut enter into them, with no possibility of turning. It makes a low cost solution instead of a solid pivot that would be drilled across and threaded.
http://www.labellenote.fr/file/Woodw...ses_2vis_1.JPG
There is a pinned nut on the left rod, in order to be able to tighten the grip turning the left handle anticlockwise.
To allow non parallel pieces clamping, the clearance for the threaded rods are oblong.
http://www.labellenote.fr/file/Woodw...ses_2vis_2.JPG
The main wood is chestnut tree, the handles are from indefinite exotic wood.
Finish is tung oil.
These tools are unbeatable for holding pieces upright on the drill press table or holding little pieces on the bandsaw in order to keep the hands away from the blade.
Here it is.
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Thanks Christophe! I've added your Parallel Clamps to our Workholding and Woodworking categories, as well as to your builder page: Christophe Mineau's Homemade Tools. Your receipt:
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<a href="/parallel-clamps-4"><img src="/uploads/98768/parallel-clamps-4.jpeg" alt="Parallel Clamps" /></a> </div>
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<a href="/parallel-clamps-4">Parallel Clamps</a> <span> by <a href="/builder/Christophe+Mineau">Christophe Mineau</a></span> </div>
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tags:
<a href="/tag/parallel-clamp">parallel clamp</a> </div>
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Again, I admire your cleverness in using ordinary pipe as pivots. Great job!
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Those look nice Christophe. Great idea on the pivots. Your craftsmanship and ingenuity is remarkable.