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Thread: Conic section
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24th December 2012, 12:59 PM #1SENIOR MEMBER
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Conic section
I made one of these the yesterday for a last minute xmas present. But it took me a little to figure out a way to make the conic section and I was wondering what ways people know of to make them.
This is how I did it, and I feel like I wasted a lot of material in doing it this way.
I turned a cylinder on the lathe, mounted it in the mill with a V block mounted at 15 degrees and cut the top angled flat and did the same for the wood. I then drilled a hole for a screw, then screwed and epoxy together, put the assembly back in the lathe, turned the 15 degree cone. I left some an extra 25mm or so past the end of the cone so I could mount it back on the mill in a rotary table mounted at 15 degrees off the x axis and use the y axis with an end mill to part of at the right angle and orientation. It worked ok and I'm sorry I can't show you a picture of the finished piece as it is now wrapped up under the tree..
-J
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24th December 2012 12:59 PM # ADSGoogle Adsense Advertisement
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24th December 2012, 01:37 PM #2GOLD MEMBER
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Hi Josh,
You could finish the bottom first then bolt it to a MS madrel.
StuartLast edited by Stustoys; 24th December 2012 at 01:44 PM. Reason: spelling
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24th December 2012, 03:45 PM #3
wood
What type of wood is that ? Did you polish it because it looks so smooth ?
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24th December 2012, 04:16 PM #4SENIOR MEMBER
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24th December 2012, 04:28 PM #5Dave J Guest
That looks great and I am sure who ever gets it will be happy.
Dave
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25th December 2012, 08:54 PM #6GOLD MEMBER
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Pictures should be available about now
Stuart
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2nd January 2013, 01:08 PM #7SENIOR MEMBER
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