How To: Square Natural Edge Bowl #1: Prep Blank - Mount on Screw Chuck

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Blog entry by Underdog posted 11-16-2021 02:33 AM 380 reads 0 times favorited 0 comments Add to Favorites Watch
no previous part Part 1 of How To: Square Natural Edge Bowl series Part 2: Turning tenon and Finishing bottom »

First thing to do is prep the blank. On blanks this size I cut the blank off of a branch with a bandsaw, then split in half with axis of branch vertical. I try to cut out the pith to avoid cracking. Then I paint the ends of the blanks with old latex paint.
Once I ready to start turning I drill a hole for the screw chuck. Choose the right size drill- don’t make it too tight because it’s near impossible to get back off. Don’t make it too loose because you don’t want it flying off the lathe. A drill diameter somewhere halfway between minimum diameter of the threads and full diameter will do.
You’ll want to measure carefully to get the hole in the dead center. Also you’ll want to make sure the top surface is fairly level so the turning axis is near 90 to the tree axis as possible.
Once it’s on the screw chuck, I bring the tail stock center up to help keep it in place.

-- Jim, Georgia, USA

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