pipe benders???

night hawk · Aug 31, 2012

alright so, im looking for a pipe bender to make myself a true dual set up and i want a pipe bender that WONT pinch the metal. i need an affordable mandrel bender! anyone know where i can get a good one online or something?

will these pinch the metal, or keep it round and good?!

16 Ton Hydraulic Pipe Bender Tube Tubing Roll Cage Automotive Exhaust Muffler HD | eBay

3" Metal DIE PIPE TUBING BENDER New | eBay

baulet · Sep 1, 2012

hi!

the first one looks good, the second is crap for tubing...

to get a decent result:
the steel grade of the tubing should be bendable
maybe to heat the tube cherry red, in order to remove some strengh and stress in the bending area
to put sand (sand blasting sand, ie) in the tubing and strongly close it

if everything works, you should get a correct bending, with few pinch...
theoricaly....!!!

night hawk · Sep 1, 2012

okay cool! i need a very minimal or no pinch at all if im gonna be doing that exhaust system.
Thanks for chiming in!

baulet · Sep 1, 2012

put some pics if you can!

garner · Sep 1, 2012

Here's a good explanation that I found of how they get mandrel bends
What is Mandrel Bending? at Van Sant Enterprises' Trick Tools.com

I thought it was a special type of bender but I guess not

baulet · Sep 1, 2012

this process is the true mandrel bending

night hawk · Sep 1, 2012

i think im gonna get a few dies, and try to build my own manual one lol

pipe benders???

night hawk

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