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TJS Nordic

  • Karma: +2/-0
Hydraulic Tubing bender...revisited....works great now
« on: November 27, 2010, 05:44:34 PM »
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.















Video of bender.
« Last Edit: November 27, 2010, 05:50:54 PM by TJS Nordic »
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Howard19

  • Karma: +1/-0
Re: Hydraulic Tubing bender...revisited....works great now
« Reply #1 on: November 27, 2010, 06:26:07 PM »
Thats just cool  :thumbup: :thumbup:
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GreatLakes Jet

  • Karma: +1/-0
Re: Hydraulic Tubing bender...revisited....works great now
« Reply #2 on: November 27, 2010, 08:09:31 PM »
nice job TJ want to do that .made a hyd. brake and the same problem but didn't know what to do.the the dad is a wise fella whish mine was around to help me on stuff like that.if i knew 1/2 the stuff he forgot. again nice job.do you have the die for 1'' square tube. Got it painted now





                                                 rusty
  • Boat #1: 77 nordic 19ft
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TJS Nordic

  • Karma: +2/-0
Re: Hydraulic Tubing bender...revisited....works great now
« Reply #3 on: November 27, 2010, 08:34:45 PM »
I have 2 dies. A 2" and 1.75" for round tube. They were 290 each. I have the 1" square tubing die on my wish list.
Thanks.
T.J.

GreatLakes Jet

  • Karma: +1/-0
Re: Hydraulic Tubing bender...revisited....works great now
« Reply #4 on: November 28, 2010, 06:52:06 AM »
TJ just wondering what do you have in mind on building or just something to play with.your mind does run wild. you are a craftman you have made alot of good usefull things keep posting your treasures i like them





                                                            rusty
  • Boat #1: 77 nordic 19ft
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TJS Nordic

  • Karma: +2/-0
Re: Hydraulic Tubing bender...revisited....works great now
« Reply #5 on: November 28, 2010, 12:46:50 PM »
TJ just wondering what do you have in mind on building or just something to play with.your mind does run wild. you are a craftman you have made alot of good usefull things keep posting your treasures i like them





                                                            rusty


Haha that is a good one. Well I can never trust the Corp. world in which I work. So if I do get canned I have somethin to fall back on. My tools will be ready to go.  ;D
T.J.

 


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