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If one must have a bad habit this is one of the better ones Making half round/half octagon barrels with vented ribs is among the worst....maybe
Last edited by vapodog; 03/12/15.
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Nice looking work. How do you drive the broach?
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How do you drive the broach? It has a 1/2" diameter shank and fits in a 1/2" collet in the milling machine. I simply align it to the stock and stroke it with the quill. I take about .010 each stroke for the first .060 of depth and about .005 thereafter. Years ago I made keyway broaches for cutting keys in sprockets and pulleys etc the same way. So I figured that if I can cut steel that way, I sure can cut wood the same way
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Very cool! Question - how do you glue the two pieces together? What adhesive do you use? Isn't this gluing end-grain to end-grain, how do you get the strength?
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I was wondering the same thing, although a widows peak would go a long way toward helping with that, if of sufficient depth. I glue them on end grain to end grain, and after the epoxy sets I mill a deep slot that spans the walnut barrel channel and the ebony tip by a healthy amount and glue in a floating tenon.
I do like this design detail and the way Vapodog engineered it. Very cool indeed.
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Very cool! Question - how do you glue the two pieces together? What adhesive do you use? Isn't this gluing end-grain to end-grain, how do you get the strength? I thoroughly clean the ends to be glued with acetone to remove any natural oils in the wood.....and consider this to be extremely important. I then simply attach with devcon 2-ton epoxy. It has substantially greater strength than the 5-minute stuff and I've never had one come off. I did have a failure years ago when I didn't understand the importance of cleaning the natural oils from the joint.
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[quote][ I mill a deep slot that spans the walnut barrel channel and the ebony tip by a healthy amount and glue in a floating tenon. /quote]
This is a superb method and I suspect most "smiths" use it. I've re-attached completely broken forends the same way....Usually gluing in a piece of straight grained red oak....and for this I use Brownell's glass bedding.....the red (pourable) stuff....not the jell.
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Pretty ingenius. Nice work.
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