I made a pattern for the lathe bed today. I used a piece of walnut that crossed back and forth from heartwood to sapwood, since no one wants something made of walnut that isn't all dark wood. I milled the side material down to .30", to ensure that even after sanding, it would be over .25" thick everywhere. I milled the material for the top down to .75" and rabbetted the sides and ends of the top .30" either way, then, after glueing up, used a jointer to true up the bottom. Once the bottom was flat, to use as a reference, I put the whole thing through the planer, and took the top down until the overall height was 1.5", +/- 0.001". It's as flat and true as I know how to make a piece of wood.
The book says that every edge that isn't on the parting line has to be radiused, but it doesn't say what value to assign to the radius. I have a 1/16" roundover bit for may router table; will that do it?, And, since the bottom edge is at the parting line, does that mean they don't get rounded?
BTW, thanks for the replies I got to the last post, including the tangiential ones on material toxicity.
Randy
http://groups.yahoo.com/group/gingery_machines/app/peoplemap/view/map
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