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Rays' Latest (Read 585 times)
 
Ed Weber
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Rays' Latest
Apr 2nd, 2020 at 10:08am
 
The bowl is 11.25 inches at the largest diameter and 6.5 inches high. The wood is maple and purple heart. finished with Wipe on Poly.
This is similar to the bowl I posted on 10-15-19. There is a concentricity and exactness issue with the rings at the feature position. Meaning the feature ring. This feature ring consist of 2 exact rings and a 1/4" thick purple heart ring sandwiched together.
Those two rings on each side of the purple heart ring are the exact issue and these are clocked at 22.5 degrees to each other and concentric to each other. Each ring has 8 segments.
Comments and criticisms are welcome.
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Ed Weber
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Re: Rays' Latest
Reply #1 - Apr 2nd, 2020 at 10:13am
 
The above bowl was made by Ray Stubbs, I only helped post it.

For my critique,
The shape is very good and the feature ring lands right at the widest point. These two elements by themselves are more than half the battle when making a segmented piece, so well done.
Great piece overall, good work Ray
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Ray Stubbs
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Re: Rays' Latest
Reply #2 - Apr 2nd, 2020 at 1:48pm
 
Thanks Ed. Actually I started with the feature ring. I glued, and rough turned it first, by attaching it to a block and to a face plate.
I've found that on a bowl like this, It's easier to make the feature ring first. If I don't like the feature ring, I can quit and start new.
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Arlin Eastman
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Re: Rays' Latest
Reply #3 - Apr 3rd, 2020 at 10:32am
 
Well done Ray.  Smiley

Form and finish is outstanding.
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Don R Davis
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Re: Rays' Latest
Reply #4 - Apr 9th, 2020 at 8:34pm
 
I really like it too. It just has a clean look to it.

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Ray Stubbs
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Re: Rays' Latest
Reply #5 - Apr 10th, 2020 at 9:35am
 
Thanks guys for the critique. I appreciate it.
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Chris Neilan
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Re: Rays' Latest
Reply #6 - Apr 10th, 2020 at 9:34pm
 
OMG, GREAT JOB! Cheesy
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Delta 46-460: awesome
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Ray Stubbs
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Re: Rays' Latest
Reply #7 - Apr 13th, 2020 at 5:44pm
 
Thanks Chris.
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Robert Evans
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Re: Rays' Latest
Reply #8 - May 17th, 2020 at 10:37pm
 
Very nice piece.   Thumbs Up I'm new to the segmenting world.  Ok, how'd you get the rings to curve?  My table saw doesn't do curves very well.
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Ray Stubbs
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Re: Rays' Latest
Reply #9 - Jun 11th, 2020 at 4:31pm
 
Robert, if you notice these are on the feature ring. The feature ring being placed  at the largest diameter of the bowl. So the feature ring has a compound curve to it. Its curving around the bowl, also curving from vertical toward the centerline of the bowl both on top and bottom.
The feature ring consist of 3 rings. Two 3/4" thick rings sandwiching a 1/4" ring in the middle. The two 3/4" rings are identical, meaning they are machined exactly or near to it to each other. On these two rings, a 1/16" thick piece of purple heart is glued to the flat side of the segmented piece. Then a 1/4" thick piece of maple on top of that.
The two 3/4" rings are clocked at 22.5 degrees to each other. The 22.5 degree number comes from, each segment is 45 degrees, or 8 pieces to the ring.
Then when you turn the feature ring with compound curves, it turns out as you see it.
Sorry I didn't get back to you earlier but I just saw your comment today. Thank you for your critique.
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Todd Oleson
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Re: Rays' Latest
Reply #10 - Jun 11th, 2020 at 9:15pm
 
Incredible bowl. Thanks for showing it.
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Robert Evans
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Re: Rays' Latest
Reply #11 - Jun 11th, 2020 at 10:09pm
 
Very clever.   So the purple heart is vertical sandwiched between the maple segments.  Centering the feature ring would need to be near perfect for this to work.  Good job and thanks for the explanation.  I may give this a try.
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Chris Brock
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Re: Rays' Latest
Reply #12 - Jun 12th, 2020 at 9:59am
 
Ray Stubbs wrote on Apr 2nd, 2020 at 1:48pm:
I've found that on a bowl like this, It's easier to make the feature ring first.

Wow, no wonder you did the feature ring first. Getting that centered well enough to look good (as you have done very well) seems like it would be a challenge.
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Ed Weber
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Re: Rays' Latest
Reply #13 - Jun 12th, 2020 at 10:08am
 
Chris Brock wrote on Jun 12th, 2020 at 9:59am:
Wow, no wonder you did the feature ring first.



For those not too familiar with segmenting, this is common practice.
A design, a pattern or a theme is a typical way to start, once established, the rest of the piece is designed around it. Also feature rings are usually biggest element, usually placed at the widest point of the profile.
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Ray Stubbs
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Re: Rays' Latest
Reply #14 - Jun 12th, 2020 at 12:51pm
 
Robert those two 3/4" thick rings, part of the feature ring, are an "issue" to get centered to each other. Otherwise I couldn't get the elliptical appearance you see.
It is very easy to work from the feature ring both above and below, because you have an exact diameter to work to with the other rings.
This brings up an interesting point with the math we use in segmenting. The desired diameter we shoot for can be had with exactness, when we cut the segmented pieces to the correct length. Math does not lie.
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