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New Bowl (Read 422 times)
 
Ray Stubbs
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New Bowl
Sep 2nd, 2019 at 8:18pm
 
This is a Padauk & Maple bowl. The ellipse are the same size. To get that to happen, I mounted the feature ring to a face plate with the center of the feature ring and the center of the face plate to be concentric with each other. I turned a wood dowel, with a 1/4" diameter hole in the middle of the dowel. The wood dowel is sized to fit the miner diameter of the face plate. The reason for this tool was to be able to rotate the ring on the table saw so that I could saw the flats at the same distance out from the center of the face plate.
In the wood dowel I put a 1/4" dowel in, and indexed off a slide, so that I could saw the flats.
After the 8 flats were sawed, I glued the Padauk veneer, maple veneer, padauk veneer and maple veneer. All the veneer pieces were 1/16" thick.
At this point it's a matter of gluing the other rings onto the bowl and turning.
I hope this makes sense.
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Glenn Roberts
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Re: New Bowl
Reply #1 - Sep 2nd, 2019 at 8:47pm
 
I hope this makes sense.


Nope...
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« Last Edit: Sep 2nd, 2019 at 8:49pm by Glenn Roberts »  

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Ed Weber
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Re: New Bowl
Reply #2 - Sep 2nd, 2019 at 9:18pm
 
Though a little long winded, I understand
BTW, this is the ONLY way to get all sides exactly equal, cutting the flats after mounting.
The slightest bit off center would otherwise bee seen as different sized ellipses.
I use a slightly different method but the results are the same.
Nice Job
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Ray Stubbs
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Re: New Bowl
Reply #3 - Sep 3rd, 2019 at 7:35am
 
Thanks Ed.
Glen where did I loose you?
C & C are welcome.
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Glenn Roberts
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Re: New Bowl
Reply #4 - Sep 3rd, 2019 at 9:48am
 
Ray,  got lost at the "miner" diameter of the face place. I understand the "minor"and the major diameter of an ellipse. Is the face plate elliptical? You "sized the dowel to fit the miner diameter of the face plate" (??) I don't understand what that means. Then this "tool" is used to create 8 equidistant flats? Wouldn't a drum sander be more accurate before the "flats" are cut? Are the ellipses veneer? If they are, how did you inlay it? How was the padauk ellipse even cut?  Maybe if I were a more experienced turner your explanation  would make perfect sense. Your new bowl would get a perfect 10 if I were  judging!
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Ed Weber
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Re: New Bowl
Reply #5 - Sep 3rd, 2019 at 11:33am
 
Mount ring
use some type of indexing to cut flats
apply layers
turn to reveal ellipse shape
The outer profile determines the shape of the ellipse
The flattening of the faces on a mounted, trued surface/s ensures that all faces will be equal in size and shape.

Making laminated segments before assembly and/or mounting, can certainly be done but will more often than not introduce a small amount of error in alignment.
Any, small amount of error is magnified with this style of turning. (profile changes pattern)
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Ray Stubbs
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Re: New Bowl
Reply #6 - Sep 3rd, 2019 at 1:10pm
 
Glen, see the the attached file. I think this will clear up any misconceptions you may have.
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Joe Hintz
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Re: New Bowl
Reply #7 - Sep 3rd, 2019 at 2:49pm
 
Nice job Ray! I will be interested in how you did the indexing when cutting on the table saw. You taught me well, looking forward to working with you this winter in Florida.

Joe H
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Ray Stubbs
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Re: New Bowl
Reply #8 - Sep 3rd, 2019 at 6:37pm
 
Thanks Joe. See you in Florida in January.
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Chris Neilan
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Re: New Bowl
Reply #9 - Sep 3rd, 2019 at 6:59pm
 
Okay, now my brain hurts! I guess I am a visual learner. Need a video!  Beautiful job by the way!
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Delta 46-460: awesome
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Glenn Roberts
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Re: New Bowl
Reply #10 - Sep 3rd, 2019 at 8:34pm
 
Thanks Ray. I will print this thread and ask a member of the club to explain it. He wrote the book: "Segmenting for Dummies."
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Ray Stubbs
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Re: New Bowl
Reply #11 - Sep 4th, 2019 at 12:07pm
 
Glen, sounds like this fellow could help. If you need further explanation, let me know.
Thanks Chris, you could do this bowl right?
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Don R Davis
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Re: New Bowl
Reply #12 - Oct 14th, 2019 at 8:10pm
 
Great looking bowl Ray, but how you did it went zooming right over the top of my head.  Embarrassed
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Ray Stubbs
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Re: New Bowl
Reply #13 - Oct 15th, 2019 at 6:12pm
 
Don, I will be doing another bowl similar to this one, but with a twist or two.
I've never produced a video, but maybe I can take some pictures and explain on each what is going on.
Ed, outlined the procedure I went through.
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