pipe bender troubles - anybody have any tips to help?

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stilrunnin
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Joined: July 9th, 2011, 6:57 pm

pipe bender troubles - anybody have any tips to help?

Unread post by stilrunnin » March 2nd, 2014, 8:06 pm

hi guys
I purchased a sca 12 ton pipe bender a few months back ( before you say sca why did you buy that ***** don't get me started) :irked:
I am trying to bend some 25nb pipe with a 3.2mm wall and all I am getting is a big kink. I have tried sand and it worked 20% of the time but just not reliable enough. I have tried putting some grease on the die sill no improvement :( I have it set on the second holes for the roller and I am un sure if changing to maybe the 3rd hole will make it better. its really shitting me now does anybody know of any tips I can try finally before I pack it up and hide it in the corner of the shed :cry:

mydmax
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Re: pipe bender troubles - anybody have any tips to help?

Unread post by mydmax » March 2nd, 2014, 8:40 pm

I bought one for the frame and the jack knowing the dies are just not good enough in width of fit and also depth to give the bend support required.
We tried it on some good pipe and as we thought, all it did was bend/kink the pipe. Some people have bought Dawn or some other recognized good brand of die to make it successful.
When we tried other holes it made no difference, wider holes just used more pumps of the handle before it kinked.
Not called Super CHEEEEEEEP for nothing.
Another thing, lots of gal pipe is bought in from NZ but it is sent to NZ from A large asian country with many people. Nice gal on the outside, crap steel on the inside. None of the metal fab people in my town have been able to bend it properly.

I used mine for resetting leaf springs. Was worth it.

Rogers Cruiser
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Re: pipe bender troubles - anybody have any tips to help?

Unread post by Rogers Cruiser » March 2nd, 2014, 9:14 pm

I have the exact model as well, picked it up on special for $99, so I figured it was worth a try. I now use it more as a press then a bender.

however as a bender its great for 20/20/1.6mm RHS. Makes great roofracks!
'98-'06 - FJ-45 Ute fell over one day and didnt survive
'06-now - HJ-47 Troopy, restored and now daily driver.
'13-now - HJ-47 Ute, Farm fresh rust bucket, needs a restoration. viewtopic.php?f=22&t=152811

now - Off Road Box/Camper Trailer. viewtopic.php?f=134&t=153968&p=1792444#p1792444

Dont listen to me, Ive got an opinion on everything!

hoyks
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Location: Marburg, QLD

Re: pipe bender troubles - anybody have any tips to help?

Unread post by hoyks » March 2nd, 2014, 10:30 pm

Yep, those $100 machines are rubbish. It is common for the pipe to collapse, rather than bend, especially when the wall thickness is at the thicker end of the scale as it doesn't want to stretch.

The better ones clamp tube and pull it around a die, they cost a bit more though.

Or build your own: http://www.members.westnet.com.au/neilm ... bender.htm

stilrunnin
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Joined: July 9th, 2011, 6:57 pm

Re: pipe bender troubles - anybody have any tips to help?

Unread post by stilrunnin » March 10th, 2014, 7:28 pm

the $99 was what sold me aswell if it didn't work that well I wasn't to fussed.
I am in the process of making a clamp to hold the pipe in the bending shoe. hopefully this works if it does I will put some pics up

Harb
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Re: pipe bender troubles - anybody have any tips to help?

Unread post by Harb » March 10th, 2014, 7:45 pm

If you want to bend anything with reasonable results, you are going to have to use pipe with a much much heavier wall thickness.....

To bend thiner walled pipe, you will have to use mandrel, or DIe type bender......

Sorry......this really is one of those times that you get what you pay for.......these type of benders are aimed at bending heavy walled water pipe.

This is what you need.......Give OPW a call.

I've had this for years and it never fails to provide a good bend.

I understand though this is likey a bit much for you......but it shows the sort of machine it takes

Image

typhoeus
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Re: pipe bender troubles - anybody have any tips to help?

Unread post by typhoeus » March 11th, 2014, 7:54 pm

I'm jealous! :( :) :)

stilrunnin
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Joined: July 9th, 2011, 6:57 pm

Re: pipe bender troubles - anybody have any tips to help?

Unread post by stilrunnin » April 5th, 2014, 5:47 pm

I have sorted this issue now :)
I searched the internet hi and low and found a mod that can be done to fix this issue. This is my version of the mod and some pics to show it works, it will never be as good as a mandrel bender but fixed my problem
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Last edited by stilrunnin on April 5th, 2014, 5:52 pm, edited 1 time in total.

stilrunnin
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Posts: 81
Joined: July 9th, 2011, 6:57 pm

Re: pipe bender troubles - anybody have any tips to help?

Unread post by stilrunnin » April 5th, 2014, 5:49 pm

3mm flat bar with a M16 hold down bolt
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stilrunnin
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Posts: 81
Joined: July 9th, 2011, 6:57 pm

Re: pipe bender troubles - anybody have any tips to help?

Unread post by stilrunnin » April 5th, 2014, 5:51 pm

before the mod and after
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rockslider
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Re: pipe bender troubles - anybody have any tips to help?

Unread post by rockslider » June 25th, 2014, 2:44 pm

stilrunnin
What sort of pipes are you using?
100% Aussie Made Rocksliders: www.rocksliders.com.au
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stilrunnin
Here and there
Posts: 81
Joined: July 9th, 2011, 6:57 pm

Re: pipe bender troubles - anybody have any tips to help?

Unread post by stilrunnin » August 10th, 2014, 8:51 pm

That was some 25 nominal bore pipe 3.2mm thick. It was for a AMCAR brush bars

coxsy
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Joined: November 3rd, 2007, 2:40 pm
Location: Auckland

Re: pipe bender troubles - anybody have any tips to help?

Unread post by coxsy » August 12th, 2014, 6:11 pm

mydmax wrote:I bought one for the frame and the jack knowing the dies are just not good enough in width of fit and also depth to give the bend support required.
We tried it on some good pipe and as we thought, all it did was bend/kink the pipe. Some people have bought Dawn or some other recognized good brand of die to make it successful.
When we tried other holes it made no difference, wider holes just used more pumps of the handle before it kinked.
Not called Super CHEEEEEEEP for nothing.
Another thing, lots of gal pipe is bought in from NZ but it is sent to NZ from A large asian country with many people. Nice gal on the outside, crap steel on the inside. None of the metal fab people in my town have been able to bend it properly.

I used mine for resetting leaf springs. Was worth it.
There is a pipe mill owned by blue steel BHP ,anys nothing wrong with the galv pipe I use ,made in New Zealand oh most made from mined iron rich sand with lots of titanium content parted outandsent to Japan,
my biggest problem is the mine site isa state forest ana cool 4wd site

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