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Bending CDS Tube.

 
 
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g1oves
Just got MTs


Joined: 08 May 2008
Odometer: 448
Location: Bolton, LANCS. 3.0L TD HILUX & 2.4 TD DCAB HILUX & 3.0ltr td trayback 4runner



PostPosted: Tue Nov 11, 2008 11:27 pm    Post subject: Bending CDS Tube. Reply with quote

I`m just in the middle of designing a tray back and iv been reading around that to bend CDS tube you can only use mandrel benders or special machine benders, similar to those used for exhaust systems.

my Q: HAS ANYBODY USED ONE OF THESE HYDROLIC BENDERS SEEN ON EBAY TO BEND CDS TUBE AND WHAT WAS YOUR OPINION ON THE BENDS AND OVERALL FINISH.

( SHOW PICTURES OF YOUR WORK AND TELL US WHAT TUBE YOU USED )

Many Thanks Gloves.

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minimog
Off-Road Guru


Joined: 25 Nov 2004
Odometer: 1700




PostPosted: Tue Nov 11, 2008 11:48 pm    Post subject: Reply with quote

you will be lucky to bend pipe with the chepo benders
the problem is with the formers NOT the bender the original formers was a cast one and when you sat the pipe into it it came above the centerline of the pipe the new ones have been cheepend up using less material and are not a full 90 degree former so as soon as you bend over 60 degree the tube starts to flatten unlike my original sealy bender that will bend a full 90
i guess you get what you pay for (try and look for a second hand original unit from the likes of record/staffa/sealy)you will stand a far better chance
your only a few miles from me if you want to come and have a look pop me a pm

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M&S
Just got MTs


Joined: 05 Oct 2008
Odometer: 278
Location: County Durham


2004 Land Rover Discovery

PostPosted: Wed Nov 12, 2008 1:50 am    Post subject: Reply with quote

Have you tried your local HSS hire shop or similar? You could get a lot of bending done in a day, and they usually do deals for weekends if you go in and ask.
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Chris D
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Joined: 24 May 2005
Odometer: 2432
Location: peterlee



PostPosted: Wed Nov 12, 2008 9:22 am    Post subject: Reply with quote

i build all me cage's with a bender like that? 4mm wall and bend's fine
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g1oves
Just got MTs


Joined: 08 May 2008
Odometer: 448
Location: Bolton, LANCS. 3.0L TD HILUX & 2.4 TD DCAB HILUX & 3.0ltr td trayback 4runner



PostPosted: Wed Nov 12, 2008 5:28 pm    Post subject: Reply with quote

I had a look at one in a hss hire shop and the formers looked the same as the benders they sell in machine mart.

iv read all the web site and everybodys got different opinion about what you should use which is slowly driving me insane.i went to ashworth frazier`s at bury and asked about CDS and they said they don`t sell it but told me a lot of people use QT( 48.3mm x 3.68mm thick ) or ( 42.16mm x 3.56mm )DOES ANYBODY KNOW ANYWERE IN THE NORTH WEST ??? OR A GOOD LINK TO A SITE FOR SIZE`S AND WEIGHTS ???

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minimog
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Joined: 25 Nov 2004
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PostPosted: Wed Nov 12, 2008 8:39 pm    Post subject: Reply with quote

theres a place in wigan that sells it be prepared to sit down when getting a quote its about three times the price of hrw at the moment
__________________________________
WHAT YOUR ASKED WHEN YOU OWN A MOG
"why have you put a merc star on that"
UNIMOG MOTTO
"IF IT CARNT BE FIXED WITH A BIG HAMMER"
IT MUST BE AN ELECTRICAL FAULT"
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g1oves
Just got MTs


Joined: 08 May 2008
Odometer: 448
Location: Bolton, LANCS. 3.0L TD HILUX & 2.4 TD DCAB HILUX & 3.0ltr td trayback 4runner



PostPosted: Wed Nov 12, 2008 9:04 pm    Post subject: Reply with quote

The price i got to day for HOT FINISH SEAMLESS IT was about £4.25 per meter but its the weight that concerns me, its 4.11 KG/PM.

AND I NEED ABOUT SIXTY FEET !!!!! Shocked Shocked

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minimog
Off-Road Guru


Joined: 25 Nov 2004
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PostPosted: Wed Nov 12, 2008 9:28 pm    Post subject: Reply with quote

yep its amazing how hevey tube can be but just think how much you lightened your yota by cutting the rear off it only to replace it with more wieght in tube Wink
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WHAT YOUR ASKED WHEN YOU OWN A MOG
"why have you put a merc star on that"
UNIMOG MOTTO
"IF IT CARNT BE FIXED WITH A BIG HAMMER"
IT MUST BE AN ELECTRICAL FAULT"
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g1oves
Just got MTs


Joined: 08 May 2008
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Location: Bolton, LANCS. 3.0L TD HILUX & 2.4 TD DCAB HILUX & 3.0ltr td trayback 4runner



PostPosted: Wed Nov 12, 2008 10:25 pm    Post subject: Reply with quote

THANKS !!!!! Laughing Laughing Laughing Laughing Laughing
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mrman
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Joined: 17 Feb 2003
Odometer: 4307
Location: Bridgend - South Wales


1993 Mitsubishi Pajero

PostPosted: Wed Nov 12, 2008 11:37 pm    Post subject: Reply with quote

I just gave away about 30m of CDS ( 4 x 7.5m lengths)

been lying around for ages

managed to find someone who would collect it tonight !
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boss
Just got MTs


Joined: 17 Dec 2007
Odometer: 262
Location: norfolk


1995 Land Rover Discovery

PostPosted: Sat Nov 15, 2008 8:16 pm    Post subject: Reply with quote

i have just made a rollcage for my disco with one of these, i used 38 O/D seemed tube(not comp spec i know) i bent up a a small length to start with and it had a hurendous flat spot in it...i contunued to bend and the steel eventually folded just after 45 degrees.

what yuou have to do to stop it from folding is first fill the tube with water(tape off one end) then fill it up with sand as you fill it up the sand will displace the water. calculate the volume of one foot and after youve filled the tube with a foots worth of sand give it a knock with a mallet and pack it down with something. repeat untill tube is full with sand. then bend away.

pic of my rear hoop which was done with a "bottle jack bender"




all in all it is a very time consuming way of doing it... also problematic if you dont have anything tall to stand on. i think its worth mentioning that its worth buying a notcher, i used a grinder and although i consider myself rather good at using one notching it like that was also very time consuming...and most of the notches diddnt fit very well!

also worth a mention, dont try and cut corners by not puting the water in there and just filling it with wet sand....it doesnt work! Embarassed

they are also very easey and quick to set up. compleeted my cage in 2 days.
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sj olly
Winch Assistant


Joined: 29 Aug 2007
Odometer: 55
Location: y-fenni south wales



PostPosted: Sat Nov 15, 2008 9:47 pm    Post subject: Reply with quote

hi all i use one of these 200 quid well spent. depends how much you value your neck . cheers olly
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Anthony BathMat Rushton
Mud Obsessed


Joined: 05 Jul 2005
Odometer: 3749
Location: Wigan Near Manc



PostPosted: Sun Nov 16, 2008 10:10 am    Post subject: Reply with quote

try

barclay and mathieson steels in chorley

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