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Author: Subject: Fan shroud, question for the model makers
02GF74

posted on 6/10/18 at 10:21 AM Reply With Quote
Fan shroud, question for the model makers

I would like to make a shroud for a small fan, approx 50 mm. I'd usually use aluminium sheet but it needs to be be electrically non conducting, it is to direct air over computer DDR3 memory.

What material is suitable, some type of plastic sheet that holds its shape and can be glued or better still welded.






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nero1701

posted on 6/10/18 at 10:29 AM Reply With Quote
How about plasticote ?
Make it from aluminium then coat it ?

[Edited on 6/10/18 by nero1701]

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Bigheppy

posted on 6/10/18 at 11:19 AM Reply With Quote
Could you use plastic waste pipe. Perhaps gutter down pipe. Plastic drinking glass. Childs cup. Postage tube. Hair product container.
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gremlin1234

posted on 6/10/18 at 11:30 AM Reply With Quote
why not use card from a cereal box?
easy to work with, easy to glue.

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02GF74

posted on 6/10/18 at 11:46 AM Reply With Quote
Thanks for suggestions but no way I'm having any metal items, coated or not, near the pcb.

But I may have found the winner : plasticard, can be shaped at 80 °c so if I make former should be a piece of cake






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nero1701

posted on 6/10/18 at 12:17 PM Reply With Quote
If you’ve access to a vacuum former you could mud bake a wooden buck then form over it.
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shindha

posted on 6/10/18 at 12:29 PM Reply With Quote
3D printed plastic
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loggyboy

posted on 6/10/18 at 02:53 PM Reply With Quote
Was also gonna suggest printed. I have my first 3d printer being delivered soon





Mistral Motorsport

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Angel Acevedo

posted on 6/10/18 at 04:24 PM Reply With Quote
PVC pipe?
Or HDPE yougurt or Liquid soap tub?





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nick205

posted on 8/10/18 at 08:37 AM Reply With Quote
Myself I'd use a short bit of Ø50mm / Ø2" plastic waste pipe.

Already circular and plastic so it's non-conductive, cheap too!

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Mr Whippy

posted on 8/10/18 at 07:55 PM Reply With Quote
Toilet roll tube...
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Angel Acevedo

posted on 8/10/18 at 08:07 PM Reply With Quote
quote:
Originally posted by Mr Whippy
Toilet roll tube...


You mean CAM?


Cardboard Assisted Manufacturing?





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