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Author: Subject: OT - compound curves in large heavy plates ?
mcerd1

posted on 7/6/12 at 02:26 PM Reply With Quote
OT - compound curves in large heavy plates ?

anyone got any experience making compound curves in heavy plates ?

we need to get an idea of how to achive it with some kind of accuracy for a few big plates on a one off basis or find someone that can do it for us....

cheers
-Robert





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hughpinder

posted on 7/6/12 at 02:54 PM Reply With Quote
Shipyard?
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907

posted on 7/6/12 at 03:37 PM Reply With Quote
Petals ?
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Fred W B

posted on 7/6/12 at 05:01 PM Reply With Quote
When you say heavy, what thickness?

3mm, 6 mm, 10 mm or more?

I've seen curves being put into 70 mm plate, thats another story

Cheers

Fred W B





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liam.mccaffrey

posted on 7/6/12 at 06:09 PM Reply With Quote
I have worked in tank storage all my adult life, construction, repair and inspection so have had a fair bit of involvement with plate forming but in a sinlge plane (up to 44mm)

I might be able to piut you in touch with companies who do this sort of thing.

What size ar you looking at?


[Edited on 7/6/12 by liam.mccaffrey]





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mcerd1

posted on 8/6/12 at 07:46 AM Reply With Quote
quote:
Originally posted by Fred W B
When you say heavy, what thickness?

sorry should have said its 12mm plate probably as big as we can get away with, but say around 1.5x3m for now...

just looking to find out how its done and who does it for now

[Edited on 8/6/2012 by mcerd1]





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Ivan

posted on 8/6/12 at 07:59 AM Reply With Quote
Concrete mould with lots of drainage channels -place in disposable pool full of water - plate on top - explosives on top of that - raincoat - BANG - lots of warm rain - plate formed

Needs one pool per plate

Steel yachts have been made this way.

Here it is

http://www.testsafe.com.au/latest_news/december2004/exploding_myths_of_boat_building_1991.pdf

[Edited on 8/6/12 by Ivan]

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Phoenix-Rob

posted on 8/6/12 at 01:25 PM Reply With Quote
Try Barnshaws, they seem to bend/roll most things, have used them to roll 50mm plate to approx 500mm dia.
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