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Mandrel Tube Bender??

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Old 01-28-2007, 11:51 AM   #1
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Default Mandrel Tube Bender??

He guys, I want to get a Mandrel Tubing Bender to do some exhaust work, for 2-3" O.D. tubing. I was wondering if there is a manual one out there, instead of spending a ton of cash on a hydraulic unit?

anybody have one or tips?
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Old 01-28-2007, 12:16 PM   #2
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ANY type of mandrel bender is BIG bucks! For exhaust, maybe look into buying a box of mandrel bent pieces. There's some on e-bay, and other places. Good luck.
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Old 01-28-2007, 12:21 PM   #3
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yeah I've been looking at the powered mandrel benders and they cost a ton. I was hoping to find a manual one for a decent price

So far I've been buying the boxes of mandrel bent pieces and cut and weld them together...getting a little tired of that!
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Old 01-28-2007, 02:15 PM   #4
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Dude... mandrels are $. Fill the pipe your bending with white sand and weld caps on the ends... It'll bend just like mandrel. Especially if it's just for a one time deal.
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Old 01-28-2007, 02:46 PM   #5
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Actually I just researched it more. You don't have to weld the ends at all. Pack the sand and tape the ends.
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Old 01-28-2007, 03:01 PM   #6
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so I can use a regular pipe bender like I could buy at my tractor supply store? those are only $300 or something for one to do one up to 3"
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Old 01-28-2007, 04:23 PM   #7
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Absolutely. Get on google and search pipe bending with white sand. They use this technique when bending PVC pipe. The same principle is used with metal... The sand wont compress which makes mandrel quality bends.

good luck
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Old 01-28-2007, 04:57 PM   #8
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Use to cost about 50K now you can have a decent one for as low as 15-20K, hyd of course!
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Old 01-28-2007, 05:12 PM   #9
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thanks man, i'll have to look that up

how accurate are the manual benders? i'm assuming they have some sort of degree markings on them so if I wanted to create bends of the same design over and over, i could
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Old 01-28-2007, 05:28 PM   #10
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Extremely accurate. As far as I'm concerned a mandrel bender serves it's purpose in mass production and pure luxury for people who don't want to go through with the technique I've introduced you to. All a mandrel machine does is slide a precision die down the tube and extracts it at precise speeds.
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Old 01-28-2007, 05:32 PM   #11
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i'm trying to find a place to get one that'll do 3" tube, having some trouble, i'm going to look through my MSC magazine
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Old 01-28-2007, 05:38 PM   #12
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Just find a good hydraulic foundation. Then get the size Dies you need. 3" is a popular diameter.
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Old 01-28-2007, 06:06 PM   #13
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Quote:
Originally Posted by Armageddon
Dude... mandrels are $. Fill the pipe your bending with white sand and weld caps on the ends... It'll bend just like mandrel. Especially if it's just for a one time deal.
+1

...
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Old 01-28-2007, 06:06 PM   #14
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i can't find crap

any links for me?

I can't believe just filling it with sand is all it takes?! but awesome
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Old 01-30-2007, 09:41 AM   #15
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Pm sent with a good link.........

Chirs
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Old 01-30-2007, 11:04 AM   #16
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Chris,
Mind sending me the "good link" as well? Thanks!!

I want to try the sand method. The thing I cant get over with mandrel benders isnt really the bender cost...its the cost of the friggin dies. But I guess thats the important part of the mechanism so I can understand I guess.

Justin
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Old 01-30-2007, 11:51 AM   #17
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Quote:
Originally Posted by CTSmechanic
You guys need to do some better research... I use a bender made by Mittler Bros. and yeah it is expensive but no even close to the figures mentioned... Maybe a CNC mandrel bender.... It will do anything you have dies for dom 4130 square tube...

i went to their website, and their 180* hydraulic bender only does 2" OD....that doesn't work when i'm using 2.5" and 3"

unless i'm looking in the wrong place...whata you have and how much did it set ya back?
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Old 01-30-2007, 02:32 PM   #18
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http://vansantent.com/tube_bending_m...g_machines.htm

almost $8,000 for one to do 3"!

I still can't find a manual one that will do 3" so I can do the white sand method....

Miter Brothers only went up to 2" as far as I can tell...
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Old 01-30-2007, 02:37 PM   #19
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Quote:
Originally Posted by MetallicaMatt
http://vansantent.com/tube_bending_m...g_machines.htm

almost $8,000 for one to do 3"!

I still can't find a manual one that will do 3" so I can do the white sand method....

Miter Brothers only went up to 2" as far as I can tell...
Thats a press bender.. not a Mandrel
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Old 01-30-2007, 03:17 PM   #20
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http://www2.northerntool.com/product-1/628.htm

first link that came up on google...
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