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Tapered Tube

Tapered Tube

Tapered Tube

(OP)
We are designing a product on which we would like to taper aluminium or magnesium extruded tube.  Sizes 60mm OD tapered to 40mm OD, 1,000 long x 3,0 wall.  Are there any suggestions as to the best way to do this?  Is there a machine available?  Thanks.

RE: Tapered Tube

I'd look up some spinning or swaging companies.

RE: Tapered Tube

Hydroforming may also be a choice but the length may present a problem.

RE: Tapered Tube

Tapered rollers are used on belt and roller turns in the conveyor industry. You should search for tapered conveyor rolls. I know that Omni Metalcraft supplies tapered rolls, they may make what you are looking for.

http://omnimetalcraft.com/downloads/pdf/sect-03-roller-06.pdf

RE: Tapered Tube

(OP)
Thanks for the suggestions guys. I am not familiar with hydroforming. Can you suggest a site that explains it. Omni Metalcraft's tapered rollers are along the lines of what I want.  Do you know how they make them?

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