Bowl Turning

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Forum topic by oakdust posted 10-13-2008 12:24 AM 1444 views 0 times favorited 4 replies Add to Favorites Watch
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177 posts in 3837 days

10-13-2008 12:24 AM

I tried to turn my first bowl todat out of a blank of spalted malple. I mae it round and cut a tenon on what was to be the bottom of the bowl. I put the tenon in the 3 jaw chuck and tightened it down, I mean really tight. So I starteed to hollow out the inside and the blank flew out of the chuck, rolled accross the floor and came to rest under the work bench. Needles to say it really messed up the blank. So what did I do wrong? Is there a better way to mount the blank to hollow it out?

-- Bob, Rockford IL,

4 replies so far

View cmaeda's profile


205 posts in 3576 days

#1 posted 10-13-2008 04:28 AM

Haha… that’s bowl… bowel is something else…

View Eric's profile


875 posts in 3806 days

#2 posted 10-13-2008 05:29 AM


Yeah, seriously, oakdust, you need to edit this post QUICK! or you’ll never get a serious response to your question.

-- Eric at

View NY_Rocking_Chairs's profile


510 posts in 3619 days

#3 posted 10-13-2008 10:41 AM

Can you turn bowels? I thought they were kind of long and squigly, not at all straight…

How deep was the tenon? I usually aim for about 1/4” to 3/8” deep.

You should angle the tenon wall so that the outside edge (surface of the bowl) is smaller than the inside (3/8” into the bowl). This creates a lip for the chuck to grab onto. If you look at your chuck you should see that the teeth on that are angled too. So cutting the same angle into your tenon will allow the two to mate harmoniously.

Hope this helps.

-- Rich, anybody want a peanut?

View mike's profile


46 posts in 4332 days

#4 posted 10-14-2008 01:01 AM


A couple of turning points for chuck use. As Rich indicated you need to match the angle of the chuck jaws
to the tenon. also a common rookie mistake is to have the tenon bottom out on the base of the chuck. The mechanical advantage of a chuck lies in matching the jaw angle for maximum contact and that the base of the bowl blank rest firmly on the top of the jaws.

Also this is not as mechanically sound as a face plate to a gently touch without too much side pressure and sharp gouges will increase the probability of success.

PS Rich I love your chairs.

Hope this helps

-- Mike, Maryland,

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