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Bending 3X4 tubing

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  • Bending 3X4 tubing

    I have a rotary bender with lots of power. I was wondering if anyone could Tell me the smallest bend radius I could get away with bending it to 75 degrees. The wall is .188 and I am bending it the easy way. Thanks

  • #2
    How about some pics or make/model of this bender. It would have to be a pretty big one to do that...Bob
    Bob Wright

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    • #3
      It has a 10 horse 3 phaze motor with a industrial 50-1 reduction. The motor's rpm is 1100 and the gear ratio is around 100-1. It is big, I just dont know if it is useful.

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      • #4
        The Main gear is 5 inches thick by 38 inch diameter.

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        • #5
          Originally posted by Tooly236 View Post
          I have a rotary bender with lots of power. I was wondering if anyone could Tell me the smallest bend radius I could get away with bending it to 75 degrees. The wall is .188 and I am bending it the easy way. Thanks
          Have you spoken to the bender manufacturer...??

          which dies do you have...?? you cannot bend any tighter than the available die set
          .

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          • #6
            I am getting the die set made. The manifacturer does not exist anymore

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