Slip Roll Aluminium Bending Query

Jun 26, 2007 2 Replies
P

I'm part way through a jig design and realised that I don't know whether what I want to do is possible, so I'd be grateful if anyone with reasonable experience of slip rolls/bending rolls can answer it for me.



I need to make an auminium sleeve in 2 halves to fit around a pipe. The OD of the pipe is 336mm, and the wall thickness for the aluminium sleeve is 3mm. There would a simple overlap type joint where the sleeve halves mate up. Total length of the sleeve on the cylindrical axis is about 150-155mm.



Is it possible to bend 3mm thick aluminium at this sort of size, is there a particular grade of sheet material that may be suitable, and can this be acheived on model engineer size equipment, or is it a more industrial job?



Thanks



Peter



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M

Should be trivial on any set of rolls that can handle 1.25mm steel. It should be within the remit of a 12" or shorter set of 1 1/4" or thereabouts rolls.

Mark Rand RTFM

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P

Mark, thanks for that info.

Most of the the smaller slip rollers available only have a spec to 1mm steel, although Warco have a combined machine with 38mm rolls/300mm, long but still only rated at 1mm. I might give them a call and see if they wouldn't mind running a test on 3mm aluminium for me.

I don't really do much sheet metal work (well none at all really..) but the price of these are cheap enough to add to the job if they work.

Peter

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