Gluing the stack...
What's this???
If you look closely you'll see one of the finished rim segments sitting on top of a 12" round sanding disk, which is mounted on the head of a heavy duty potter's wheel.  The heavy aluminum head on this machine runs perfectly true. I use it to sand the finished rings perfectly flat before stacking and gluing. 
Here you can see the cut rings stacked to check for fit prior to gluing.  Note that the rings mate nicely without any clamping.  This allows for a fine glue line from ring to ring, and keeps the glue to wood ratio as low as possible.  The king rosewood tone ring will be added later.  Not also that the stack is sitting on a round piece of Masonite which is atop a thing called a "turntable" (avialable from ceramics suppliers).  This makes clamping really easy.  Use cut-off brad points to align the rings for gluing.  Email me if your not sure what  that means. 
The king rosewood I used for the top ring -- now evident in the photo to the right -- is one of the most resonant woods I've handled.  It reminds me very much of Brazilian rosewood, which I've not worked with in many years. There is no finish on the ring as shown, but it has been sanded with 600 paper.  If the rim looks a tad tall, it is - about a 1/2" taller (deeper) than a standard rim (intentionally, by the way).
On to the neck! (coming soon!)  --  Back Home
Planning the cuts --  The cutting jig --  The gluing jig --  Routing the diameter --  Gluing the stack
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