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Does anyone know anything about bending steel tube ?

Does anyone know anything about bending steel tube ?

Does anyone know anything about bending steel tube ?

(OP)
Hey,  

I am designing a machine to bend a rectangle tube with .125 wall 1 1/2 x 3 mild stell.  The bend I have to make is 5 degrees with the bend on the long face.  Can anyone think of any problems I might have doing this, or which  method of bending might be more suitable?  I have done a few test bends using a simple press and no mandrel and the tube in caving in    on the inside of the radius.  Does anyone have any ideas or has anyone built a bender before. Thanks for the help as benders are new to me.

Thanks, James

RE: Does anyone know anything about bending steel tube ?

there are a number of commercial bender and die sets available to bend almost any shape. The magic is in the dies. Google a couple manufacturers, buy the dies and build your machine around it.

There are so many benders available I find it hard to believe you need to design one.

"If A equals success, then the formula is: A = X + Y + Z, X is work. Y is play. Z is keep your mouth shut."
-- by Albert Einstein

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