tube bending
tube bending
(OP)
I want to use a hydraulic cylinder to bend a tube. Is there a formula to use to calculate bend pressure of mild steel tubing.
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RE: tube bending
If you know your materials properties, then you can figure out what load it will take to exceed the yield strength of the tube. This should be the theoretically correct force. I would add a litle more to be certain, it bends.
sigma is in psi. so is the yield.
Let me know if you need anymore help.
RE: tube bending
stress = Mc/I
M is the maximum Moment applied to the beam
c is the centroidal distance to the top of the beam. Use tube radius
I is the moment of inertia for the tube. (pi/4)*(ro^4 - ri^4)
Look in your Machinery Handbook under Strength of Materials.
Don Leffingwell PE
dleffingwell@snet.net
RE: tube bending
Mike Van Voorhis
MJVanVoorhis@CS.com