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My Hydraulic Tubing Bender conversion.

Discussion in 'Equipment, Tools & Vehicle Pictures' started by TJS, Nov 27, 2010.

  1. TJS

    TJS PlowSite.com Addict
    Messages: 1,340

    A few years back I converted a JD squared manual bender to a hydralic one. It used a 3/4HP motor that was direct drive to the pretty large Haldex pump. The motor would want to die out when trying to bend simple thin tubing. The pump had way to much volume for the motor output. I was going to get a smaller pump but that would mean changing the fittings and hoses which would be more costly and this meant reconfiguring the whole set up. Well my old man suggested I gear the pump down giving the motor a mechanical advantage. After some simple ratio math I ordered sprockets and weldable hubs from Surplus center. Total cost was $30.00. I had to make a plate and sort of hang the motor from the underside of the C-channel to get the sproket set up to work. After some machining and welding the plate it works great now. I was able to bend 2" x .150" wall with no strain on the motor and did it in less than 10 seconds. Now that the bender is usable, more projects here we come.
    Pics.

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  2. TJS

    TJS PlowSite.com Addict
    Messages: 1,340

  3. doubleedge

    doubleedge Member
    from ND
    Messages: 64

    Looks good. What do you plan to make with it?
     
  4. TJS

    TJS PlowSite.com Addict
    Messages: 1,340

    Probably just going to practice on how much is taken up when bending. Then a small project like a push bar that attaches to my MM1 truck side mount for the off plow season.
    T.J.
     
    Last edited: Nov 27, 2010
  5. IPLOWSNO

    IPLOWSNO PlowSite.com Addict
    Messages: 1,620

    very nice i need to get one do you have any idea to price a manual one
     
  6. theonlybull

    theonlybull Senior Member
    Messages: 405

    nice. i'd love to have one of those kicking around for tube work.....

    running a chain at motor speed though.... kinda pushing it's speed limits