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Lathe Duplicator

Posted: Sun Dec 16, 2018 8:03 am
by redleg
I started making some Christmas ornaments the first week of December just prior to the Shopsmith lathe duplicator ad. So off and on over the last two weeks I made a set of 12: 6 walnut, 3 red cedar, and 3 maple for son and family in Alaska. My wife put them in the mail Friday before I got pictures (I know it didn't happen). Here are some pictures from along the way and one I made yesterday.
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The bottom template was used to turn the outside of the ornaments.
The bottom template was used to turn the outside of the ornaments.
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Stock after turning inside, rotating the four sections 180 degrees, gluing back together and removing excess stock.
Stock after turning inside, rotating the four sections 180 degrees, gluing back together and removing excess stock.
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Removing those knuckle beater corners in subsequent turnings.
Removing those knuckle beater corners in subsequent turnings.
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The first two were hand turned to get a template I liked.  The last one I turned yesterday and is like the 12 sent.
The first two were hand turned to get a template I liked. The last one I turned yesterday and is like the 12 sent.
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I turned most of them with the duplicator on the Power Pro. I have the same issue as with the bandsaw of the fluctuation in speed making noise.

I moved the duplicator to the 520 and it worked much better.

I tried doing the turning from both 1 1/2"x1 1/2"x 7 1/8" stock and four pieces of 3/4"x7 1/8" stock glued together. The 1 1/2" stock has to be cut in quarters on the bandsaw after the inside turning. The four quarters method allows you to use up smaller stock and scrap.

Re: Lathe Duplicator

Posted: Sun Dec 16, 2018 9:02 pm
by wa2crk
Hi Redleg
I have not tried inside out turning yet but your post wants to make me try it. They look really cool. Difficult??
Bill V

Re: Lathe Duplicator

Posted: Mon Dec 17, 2018 5:50 am
by redleg
Good morning Bill, I thought actually turning an inside out ornament without the duplicator was fairly easy after the first one. I use a spot of hot glue on the end of each quarter and masking tape for the inside turning. I use polyurethane to coat the inside of the turning while it is still on the lathe.

Here's one of the many videos I watched before starting.

https://www.youtube.com/watch?v=C3Tws4X4moI


If you're going to do several then the setup time for the duplicator may be worth it. The cutter tips for the duplicator take off so little at a time that you need to get rid of as much stock as possible on the bandsaw.


I bought a new carbide round cutter in one of the Shopsmith sales but it didn't seem to be sharp enough. I had made a round one from a bolt when I did some chess pieces a couple of years ago and that had cut much better. However the shop mice must have got away with it.

Re: Lathe Duplicator

Posted: Wed Dec 19, 2018 5:31 am
by redleg
redleg wrote: I use a spot of hot glue on the end of each quarter and masking tape for the inside turning.

Edit: I'm going to have to retract a recommendation to use hot glue. I glued up another 12 ornaments and had a real hard time getting them apart. I had to split them again with the bandsaw.

I added a generic hot glue stick from Big Lots and it worked to good especially on the red cedar. So back to a spot of Titebond, tape and leave over night.

Re: Lathe Duplicator

Posted: Sat Dec 22, 2018 2:23 pm
by redleg
Whenever I make something new to me it seems to get old before I'm finished. I have made 30 of the ornaments already so it's not new anymore. I have six more to go sometime soon.
Just hanging around
Just hanging around
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I sharpened the round carbide cutter and what a difference.
And I use to worry about a little dust from the Shopsmith table saw
And I use to worry about a little dust from the Shopsmith table saw
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Re: Lathe Duplicator

Posted: Sat Dec 22, 2018 2:44 pm
by algale
Those look amazing!

Re: Lathe Duplicator

Posted: Sat Dec 22, 2018 10:15 pm
by BuckeyeDennis
Those are beautiful ornaments ... but 36 of them? :eek: Santa needs some elves! ;)

Re: Lathe Duplicator

Posted: Sun Dec 23, 2018 3:53 am
by redleg
Thanks Algale, I kind of like the cedar best.

Thanks, Buckeye.

Or fewer grandelves? Even Mrs. Santa disappears when the Shopsmith starts.

Re: Lathe Duplicator

Posted: Sun Dec 23, 2018 2:35 pm
by Lodgepole
They look great!! How did you come up your design?

Re: Lathe Duplicator

Posted: Mon Dec 24, 2018 4:25 am
by redleg
I googled inside out Christmas tree ornament for ideas, put a piece of wood on the lathe and tried a couple turnings until I found a design pleasing to my eye.