Here is a couple of homemade cam clamps
I had an ugly, really bad quality big pump clamp from the far east, you know the kind of tool you want to through away every time you use it.
So I ended up hack sawing the bar (the only thing good in that clamp) in two pieces, and making these two rather large cam clamps, with firewood.
Firewood (ash or similar) is often not very dry, has often lots of cracks, but has the quality to be perfectly quater sawn (at least you arrange to use it that way).
So, not a piece of art, but pretty strong and quite efficient for reaching the middle of a plate for instance.
The design is pretty classic, but I did two things differently : there is no head, no foot, both pieces can slide along the bar and you can use it cam on top or cam under.
The axis for the cam is a 8mm round aluminium. It's always more precise and strong to use a large axis than simply a pin.
really, is it still true ?
They are located in the exact same folder as all the pictures I post, on my Website, strange you don't see only these pictures ?
Maybe have you changed your IP and you get blamed by my very selective anti spam filter ?
You can give me your IP in a PM, I will check
Sorry for that !
I don't do production, I'm an humble hobbyist
These kind of clamps are quite popular in woodworkers shops, but they are particularly appreciated by the luthiers.
No I think, even if it was a smooth bar, the clamp would work, lot of people make them with simple steel bars.
The pins just strengthen the mortise, they are tempered concrete nails.
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