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cutting the purfling channel
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byacey
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Joined: 29 Mar 2008
Posts: 104
Location: Edmonton, Alberta

PostPosted: Tue Feb 06, 2018 12:02 am    Post subject: Reply with quote

I buy end mills from the machine shop supply house, just slightly under 1/16.
After a second pass, there's enough wobble and error that the groove works out to be about 1/16" in the end.

The whole trick is to have absolute rock solid control over the cutting process. If you don't have a solid hold on everything, you can experience chatter or runaway, and that's when the boo boo damage occurs.

I fasten the plate down solid so it can't move, and I run the tool around the edge on a piece of arborite topped plywood. The arborite surface is fairly low friction. I use a foot switch to start the dremel when I plunge cut at the beginning, and let the bit come to a complete stop before removing it at the end of the cut.
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