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Drying Rough-Turned Bowls
Question
Forum Responses
From contributor P: As a professional woodturner, I suggest you seal your rough turned bowls with Anchorseal. If you're in a humid climate, just seal the end-grain. Otherwise seal the whole thing inside and out. Put it away somewhere out of drafts and direct light/heat for a year. By then, they should be ready to turn to final thickness. From contributor W: To contributor P: What do you do if you turn a finished bowl from a green blank to keep it from cracking. I have a number of anchor sealed bowl blanks of walnut and osage orange that I have been reluctant to turn for fear the final bowl would crack. From contributor P: Actually, 90% of my work is natural edge bowls that are cut, blanked, turned, sanded, and finished on the same day. The bowl is turned to less than 1/4" thick throughout. This is important. If you have a thick bottom, it'll crack. After it’s turned inside and out, I will use a heat gun to dry just the surface, then I start power sanding. The friction of the sanding will keep the surface dry enough to prevent the paper from clogging. Then I do the same on the outside. Once finished, it usually sits around for a couple hours while I finish a few more. Then I finish them with urethane oil. I put a heavy coat on, wait a few minutes then wipe it off thoroughly. Let it dry overnight, lightly sand with 800 grit, and repeat. Usually I use five coats (five days) then a three step buffing process to give it a high gloss shine. If I have cracks it’s because I didn't turn the bowl to a truly consistent thickness throughout.  From contributor D: To contributor P: I can appreciate your work, and here is the reverse, sweet gum with a bark base.  Click here for full size image From contributor R: To contributor D: I'm a little confused. You mention doing it all in one day, and then the description you give takes five days? From contributor P: Yes, it’s all done in one day including the first coat of finish. Since I use four or five coats of finish and it takes a day for each coat to dry, it takes five days to complete. But everything up to the first coat is done in one day.
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