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Benders and Bending Which bender is best? How do you use a bender? How do you calculate bends? Everything Bender related...


Benders and Bending Which bender is best? How do you use a bender? How do you calculate bends? Everything Bender related...

View Poll Results: How do you drive your tube bender?
Manual or ratchet / cheater bar 59 28.92%
Harbor Freight air-hydraulic jack 63 30.88%
SPX or Enerpac type air-hydraulic 29 14.22%
Electric hydraulic 44 21.57%
Other 9 4.41%
Voters: 204. You may not vote on this poll

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  #21  
Old 07-15-2010, 12:47 PM
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Manual. I bend tube and get a free work-out
Ian
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  #22  
Old 07-15-2010, 10:40 PM
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i am still in manual mode too.

i had plans to build a full hydro system off the end of my cart but lack of funding has suspended any new toys for my toys.

Last edited by nwmod39; 07-15-2010 at 10:45 PM.
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  #23  
Old 07-16-2010, 09:12 AM
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BAILEIGH INC BAILEIGH INC is offline
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Quote:
Originally Posted by zag View Post
3 phase 400v 1.5kw built electric hydraulic 4000psi. chain/ram driven.
~270 degrees one shot. plenty of speed.
Holy cow!
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  #24  
Old 07-16-2010, 09:48 AM
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CarterKraft CarterKraft is offline
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Quote:
Originally Posted by BAILEIGH INC View Post
Holy cow!

That's kind of what I thought, seems like cheating doesn't it. Very nice work on that bender, love me some complicated chain drive setup.
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  #25  
Old 07-16-2010, 10:13 AM
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CarterKraft CarterKraft is offline
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not a real good place to post this but the title seems fitting.

For the electric rotary draw benders (not sure on the correct term) anyone thought about using a torque hub and hydraulic motor, or I guess you could use a electric drive motor. here is a pic.

Just seems like a easy way to get a 35.13-1 reduction on the drive. Any thoughts.
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  #26  
Old 07-17-2010, 01:34 PM
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Quote:
Originally Posted by BAILEIGH INC View Post
Holy cow!
http://www.pirate4x4.com/forum/showt...715&highlight=

here,s the bender he did , freaking cool
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  #27  
Old 07-17-2010, 01:37 PM
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oh ya i,m doing it manual , just started really playing with the bender and my mind is all ready in overdrive coming up with ideas to make it more to my wants and needs , the thought of rack and pinion keeps coming up our SOCO at work is rack and pinion and it works really well .
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  #28  
Old 07-17-2010, 05:27 PM
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Quote:
Originally Posted by mikefrombc View Post
oh ya i,m doing it manual , just started really playing with the bender and my mind is all ready in overdrive coming up with ideas to make it more to my wants and needs , the thought of rack and pinion keeps coming up our SOCO at work is rack and pinion and it works really well .
Hyd over R&P is the way I see my bender going...
Any pictures of the SOCO?
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  #29  
Old 07-17-2010, 06:51 PM
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Originally Posted by entropy View Post
Hyd over R&P is the way I see my bender going...
Any pictures of the SOCO?

i can take some , the pinion is around is around 40 teeth and the rack is around 2ft long with it being threaded too the rod , this is a 2" capacity machine , the bigger version is a chain and dual sprocket set-up with a double ended cylinder , so are the other benders we have we have a 8" Staffa and its chain/cylinder as well
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  #30  
Old 07-17-2010, 11:15 PM
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Originally Posted by mikefrombc View Post
i can take some , the pinion is around is around 40 teeth and the rack is around 2ft long with it being threaded too the rod , this is a 2" capacity machine , the bigger version is a chain and dual sprocket set-up with a double ended cylinder , so are the other benders we have we have a 8" Staffa and its chain/cylinder as well
LOL! I'll take anything I can get BUT... I should start a new thread!
Look fir it.

E
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  #31  
Old 07-19-2010, 10:00 AM
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Quote:
Originally Posted by zag View Post
3 phase 400v 1.5kw built electric hydraulic 4000psi. chain/ram driven.
~270 degrees one shot. plenty of speed.
I just watched that video and I must say, that if F*%#ing rad!!!!!!

Awesome! Very well done my friend!
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  #32  
Old 07-19-2010, 10:50 AM
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I've got SPX air/hydro but I really want to convert it over to electric/hydro someday so that I don't have to listen to my compressor all day long.

J. J.
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  #33  
Old 07-21-2010, 11:00 AM
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I'm shocked at how evenly these categories are split. Very interesting...
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  #34  
Old 07-21-2010, 02:46 PM
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Quote:
Originally Posted by TheBandit View Post
What method do you currently use to drive your tube bender? Please respond to the poll and tell us what you think of your drive method.
Quote:
Originally Posted by jackalope View Post
Now what are you up to!?!? :-)
I too have wondered this since I first saw it! Come-on spill the beans!

Quote:
Originally Posted by TheBandit View Post
I'm shocked at how evenly these categories are split. Very interesting...
This only makes me wonder even more! The ... especially.

I do believe there are so many still using the stock ratchet mechanism AND the Harbor "Fright" air long ram jack due to cost. (I to bought one of the orange cylinders from them but it mkes my compressor run TOO much for me! And I only cycled it twice!)

Most of what these guys are asking for electric over hydraulic setup is CRAZY overpriced.

I shopped Evilbay for a while and got a NICE 120 volt pump/reservoir and a nice cylinder and valve and have less than $350.00 in my parts so far for my electric over hydraulic. I still need to have the hoses done but cannot do that till my bender stand is done. (trying to work on it...) I am setting $200.00 aside for hoses and hope to get them cheaper. If not ah well.

But back to this post....... and the top quotes up there...

I too wonder whats cooking on the back burner...

A nice cost effective electric over hydraulic system would convert MANY of those other votes over I bet.
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  #35  
Old 08-24-2010, 12:45 AM
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Electric Hydraulic - JD2 Model 4 with Northern Tool pump
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  #36  
Old 08-24-2010, 04:39 AM
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Well after taking my new bender stand down off my build table Saturday and trying to push it around like wheelbarrow I am looking at and thinking I am gonna buy a used electric wheelchair off Craigs list and use its drive motors (geared down about 2.5 to one) to spin the big tires on my bender stand as its gotton bigger and heavier than I first planned.

So I may be driving mine with a joystick... At least to move it around the rough stuff and up the ramp into my trailer! I dunno. I might try to push it again. As often as I will do this it might not need it. I was going uphill a tad (trailer angle) and it was literally all I could do to push it (I aint no small guy either) and I only had one of my four dies on it and I have more to add to the frame and the bender itself yet.
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  #37  
Old 08-27-2010, 05:40 PM
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Mud4me Mud4me is offline
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I was considering the mechanical drive gear box from JMR to put on a 105HD. The gearbox will work on the 105 and the models 3. Problem was i got a quote for the gearbox and it would have cost more than my 105 HD w/die did. Does ayone know of any other gear drive box similar to the JMR unit but less expensive. Or ideas on making your own?
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  #38  
Old 08-27-2010, 07:18 PM
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Rokcrler Rokcrler is offline
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Upgraded to the JD2 Model 32, and scored this Enerpac unit for my setup from Nucore plant gotta finish painting and mounting...
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  #39  
Old 09-08-2010, 06:01 PM
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b3concepts b3concepts is offline
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I have the JD mod 32 with SPX ram and 120v electric motor. I love it. Its quick and quiet. This is good as i work in my garage after i get off (at 1130 pm) and it does not wake my wife. I also have a 240v motor, pump and rez all built in one unit from a 2 post lift. I was thinking of running this before i got my set up. Now it sits in storage, if some one wants it make an offer.
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  #40  
Old 09-08-2010, 10:54 PM
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Manual or ratchet / cheater bar.......its like MILK it does the body good!
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