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Old 10-16-2018, 11:37 AM
Diydan Diydan is offline
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Join Date: Oct 2018
Location: Huntsville, AL
Posts: 16
Default forming a small steel frustum

Hi everyone,

I'm working on a personal project and I ran into a wall trying to fabricate part of it. The project is a branched light fixture using 3/4" and 1/2" tubing, and a small frustum at the end of each tube. I'm trying to make or buy the frustums(about 15-20). I contacted a few metal spinning shops and got no quotes. I have access to a friend's wood lathe so I could attempt spinning it, but I don't have a slip roll, if the best way is to roll and weld.

The small diameter is important to hold in order to weld it to the tube, but I'm slightly flexible on the other dimensions. Also, it does not have to be super precise since it is mainly aesthetic, so if I end up with a small flat portion from rolling and welding that would be ok. The entire weldment will be powder coated when complete.

Any suggestions on the best way to fabricate this are appreciated and welcome.

Here are my drawings and weldment:
http://www.allmetalshaping.com/album.php?albumid=1118

Thanks
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