Vehicle & Technical > Defender

Bending blue band (unsuccessfully)?

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seabo:
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?

Range Rover Blues:
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.

Guardian.:
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!

beast5680:
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

ragerover:
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

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