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Splitting rings (Read 4,397 times)
 
Ed Weber
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Splitting rings
Apr 10th, 2013 at 1:58pm
 
Many times for our segmented projects we need to have very thin rings as part of the design. It can be problematic to say the least. Safely and cleanly cutting 1/4" or thinner stock isn't always easy. You can make a full ring and split it on the lathe but it's time consuming and wasteful.
I suggest making a half ring and slicing it as thin as you need on the BS.
Here is a standard half ring, 6 segments 7 1/2" dia. x 7/8 thick and sanded even.
Next I use double-face carpet tape and stick the half to a piece of melamine (you can use whatever you want).
Next I set the BS for the cut. This will be a simple 2 piece cut.
As you can see, it's quite simple
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Ed Weber
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Re: Splitting rings
Reply #1 - Apr 10th, 2013 at 2:02pm
 
Now that you have your 2 pieces you can align them in any way you want. Here is an example of book matched and sequence matched. I have used this method to cut rings less than 1/8" with no problems. If your design allows this, it's a great time and wood saver.
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David Hamann
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Re: Splitting rings
Reply #2 - Apr 10th, 2013 at 11:10pm
 
cool idea.  thanks for sharing it. smiley=thumbsup.gif
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Ed Weber
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Re: Splitting rings
Reply #3 - Apr 11th, 2013 at 9:25am
 
Thanks Dave, There are other reasons for this technique that I didn't go into. If someone shows interest or asks a question I can expand on the subject.
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steve rost
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Re: Splitting rings
Reply #4 - Apr 12th, 2013 at 7:56pm
 
Ed I like that you are going over techniques that we sometimes take for granted.  Keep up the tips.  You have my attention.  Segmentation is flat work till we put it on the lathe.
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« Last Edit: Apr 12th, 2013 at 7:58pm by steve rost »  

One measure of a great craftsman is how well he can hide his mistakes!
 
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Ed Weber
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Re: Splitting rings
Reply #5 - Apr 12th, 2013 at 8:45pm
 
Thanks Steve, I'll try. I usually don't do to much planning or write much down, heck I really don't even do too much measuring after the initial setup. This is helping me get better at that sort of thing.
Any suggestions or questions, I'm all ears.
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Ron Sardo
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Re: Splitting rings
Reply #6 - Apr 13th, 2013 at 6:14am
 
steve rost wrote on Apr 12th, 2013 at 7:56pm:
Segmentation is flat work till we put it on the lathe.



That's is what I like about segmented turning, best of both worlds.
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Re: Splitting rings
Reply #7 - Apr 20th, 2013 at 10:36am
 
That is really clever Ed.  Can't wait to try it.
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Re: Splitting rings
Reply #8 - Apr 20th, 2013 at 4:29pm
 
Thanks for sharing.  I really like the idea.  I have parted rings in half before on the lathe, but never thought of cutting them on the BS.


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Ed Weber
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Re: Splitting rings
Reply #9 - May 10th, 2013 at 12:21pm
 
Here are a few more pics. The spindles in the pics are not the exact pieces I used for the rings shown but give you a good Idea of what you can start and end with. Using this method I only had to cut 8 segments to get 2 complete rings. Less cutting, less gluing and less wood wasted.
Thanks for looking.
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Re: Splitting rings
Reply #10 - May 12th, 2013 at 9:55am
 
Ed that looks like a 1/4" blade on your band saw.  Is that correct?
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Ed Weber
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Re: Splitting rings
Reply #11 - May 12th, 2013 at 10:27am
 
Yep, it's an Olson MVP
With     1/4"
Gauge  .025
TPI       6
Style     Hook
Set       Raker

It cuts pretty much anything I need to cut. Works pretty well on 3/4" stock and I can still knock the corners off blanks with it.
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Ron Sardo
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Re: Splitting rings
Reply #12 - Oct 6th, 2014 at 5:37pm
 
This is now in our TPT

Thanks Ed

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Re: Splitting rings
Reply #13 - Oct 6th, 2014 at 7:43pm
 
Thumbs Up I'm sure this will come in handy along the way.
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Re: Splitting rings
Reply #14 - Oct 7th, 2014 at 8:18pm
 
Thank you Ed tips are always appreciated.
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