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 Post subject: Dovetails on a bandsaw
PostPosted: Wed Nov 07, 2018 5:52 pm 
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Joined: Thu Apr 15, 1999 12:01 am
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Location: Albuquerque NM
I've had only modest success hand-sawing dovetails. I've got the chiseling under control, but keeping the kerfs straight and to the right depth remains a challenge. I decided to try a different route and do the cuts on the bandsaw. Lots of jigs out there for this and here's the variant I came up with for the pins:
Image

The sliding fence allows me to quickly align to the each cut. If you have a symmetric dovetail, you can make all the cuts at one angle on both ends of the board, then you flip the jig around to the opposite side of the saw to cut the other half of the kerfs. I haven't decided on how I'm going to make the depth stop, but have a couple of ideas to pick from. Four small (10mm) rare earth magnets hold the jig in place, along with a batten to locate it to the edge of the table.

The setup for the cuts on the tail board is much simpler - just a wedge cut at the appropriate angle. (Both jigs here are for 7° dovetails). The sandpaper on the edge helps keep the workpiece in position as it's fed into the blade. There's no stop or tab on this jig, which allows you to fine tune the cut position by sliding the workpiece up or back, making setting the fence even easier.

Image

Here's the first joint I cut on the saw and chiseled by hand.

Image

A sketchup drawing of the jig is attached


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Last edited by drstrip on Thu Nov 08, 2018 9:13 am, edited 4 times in total.

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PostPosted: Wed Nov 07, 2018 10:17 pm 
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Joined: Sat Dec 18, 2010 9:51 pm
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Nice, well done


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