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  • Maximum Bending Radius for a Beam?

    Discussion in 'The main mechanical design forum' started by KevinC, Nov 10, 2014.

    1. KevinC

      KevinC Well-Known Member

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      Dear guys:

      I'm not experience in bending Square Hollow Section beams. Currently I'm using a 100mmx50mmx5mm Steel beam, but planning to make a bend. Any Rules of thumbs for cold bending? I could be bending on the 50mm side and/or 100mm side.

      Any articles that one can find for the heat to use for bending? In addition, and the resulting strength that I can achieve if I'm putting a minor load onto the bended beam?
       
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    3. AceEngineer

      AceEngineer Member

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      IMO, bending a hollow section will depend entirely on the method/machine used to bend it. With specialized equipment, some real short radii can be achieved. Your best bet is to talk to the people who will be making the part and find out how they will bend it, what their equipment is capable of achieving and what the final profile will actually look like.

      AceEngineer
       
    4. KevinC

      KevinC Well-Known Member

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      Thanks, AceEngineer.
       
    5. KevinC

      KevinC Well-Known Member

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      Hey, i don't believe this is the thread that you should discuss this matter in. Maybe you should open a new thread. You should reword your sentence before posting in the new thread.
       
    6. antonio.baron

      antonio.baron Member

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      I just have found on YouTube your answer look for bending hollow sections.

      And if there's no option for this in your workshop or suppliers, I suggest to fabricate the different sections and weld them together nice and easy but will increasing the costs a lot more. Or cut the profiles (50 and 100) with the needed shapes, bend and weld.

      As you are cold forming the section or welding you will need to perform a stress releaving to avoid future cracks.

      If you select the 100mm side (facing the rollers) you will need less force to
      bend it due of the moment of area.

      Cheers.
       
    7. KevinC

      KevinC Well-Known Member

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      Thanks, Antonio! I"ll take a look in the feasibility in Welding the bended part.
       

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