Mud-club

Vehicle & Technical => Defender => Topic started by: seabo on February 08, 2008, 13:40:35

Title: Bending blue band (unsuccessfully)?
Post by: seabo on February 08, 2008, 13:40:35: Currently trying to build back hoop for cage using 48.3mmOD blue band (3.5mm wall) using a hydraulic pipe bender

Closest die is 50mm but causes too much deformation

Have tried lining with thin plate - less deformaion but get small amount of rippling on inner radius.

Have tried grinding out a smaller die - worst bend yet!

Cannnot seem to source a die in the right size - closest being 50mm or 2"

Any suggestions?
Title: Re: Bending blue band (unsuccessfully)?
Post by: Range Rover Blues on February 08, 2008, 17:10:54: Yes, anneal the pipe. Heat it 'till it's red hot, then allow it to cool. Of course it won't be hardended anymore like CDS.
Title: Re: Bending blue band (unsuccessfully)?
Post by: Guardian. on February 08, 2008, 17:55:21: YOU HAVE TO GET THE CORRECT DIE, THEREARE PIPE DIES AND TUBE DIES, BOTH LOOK SIMILAR BUT ARE DIFFERENT, WIDTH OF COURSE AND DEPTH.
3MM IS A BIT ON THE THIN SIDE IF YOU ARENOT USING A MANDRELL, I WOULD SUGEST MINIMUM 4MM (YES IT MAKES A DIFFERENCE), BUT MAIN THING IS GET THE CORRECTSHOES FOR YOUR TUBE BEFORE ANYTHING ELSE OR YOU WILL JUST KEEP WASTING TUBE!
Title: Re: Bending blue band (unsuccessfully)?
Post by: beast5680 on February 10, 2008, 10:00:49: you can fill the tube with sand as well it helps stop the deformation, i havent used this method myself but a friend of mine has and it seemed to work from looking at the results, as said though the correct dies etc would be better
Title: Re: Bending blue band (unsuccessfully)?
Post by: ragerover on February 10, 2008, 15:05:01: IF YOU GOING TO USE SAND MAKE SURE ITS DRY AS A FREIND MADE AN EXHAUST USING THAT METHOD AND WHEN HE HEATED IT UP IT EXPLODED IM SURE SOME ONE ON HERE WILL KNOW WHY
Title: Re: Bending blue band (unsuccessfully)?
Post by: Guardian. on February 10, 2008, 15:23:21: THERES A LOT OF MOISTURE IN WET SAND,and when heated needs to go somewhere, AND IT ISNT THE WAY TO GO, YOU need the correct gear for the job.
Title: Re: Bending blue band (unsuccessfully)?
Post by: Muddy on February 13, 2008, 17:23:29: what type of bender are you using? you will get nowhere with a [!Expletive Deleted!] bender, if its from machine mart you may aswell take it back.

Buy a proper second hand one off ebay for about 2-300, tubela, staffa and sealey are all around at that money.

I have a tubela and a box of approximatly 25 formers and have yet to ripple any pipe i bend.
Title: Re: Bending blue band (unsuccessfully)?
Post by: Guardian. on February 13, 2008, 19:38:53: I KEEP telling them! will they listen. :rolleyes:
Title: Re: Bending blue band (unsuccessfully)?
Post by: solihull-mick on February 14, 2008, 23:36:49: Take it from me who has tryed to do this, dont bother, for the cost of a hoop no worth the hastle
Title: Re: Bending blue band (unsuccessfully)?
Post by: jamiezx10 on February 22, 2008, 19:14:03: Quote from: solihull-mick on February 14, 2008, 23:36:49
Take it from me who has tryed to do this, dont bother, for the cost of a hoop no worth the hastle

I'll second that Mick, I remember the late nights with that ridiculous load of CDS which tried our normally adequate patience to the MAX!!
.......closely followed by a trip to Wales to see Malcolm at Whitbread Offroad who I can totally recommend.
Title: Re: Bending blue band (unsuccessfully)?
Post by: landrover598 on February 22, 2008, 21:36:51: I've just done dozens of bends in Blue band tubeing using a cheaper version of the clarke bender, and they all came out great. Make sure the tube is good quality Corus BS pipe, no cheap chinese.