Cooling using Computer Case Fans

General discussion of 3D printers

Cooling using Computer Case Fans

Postby flurin » Sat Jul 14, 2012 1:30 pm

Good to know using fans for 3D Printer cooling

http://www.silverstonetek.com/techtalk_ ... =wh10_0061

(I'm not involved with this company)
Last edited by flurin on Mon Jul 16, 2012 4:37 pm, edited 2 times in total.
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Re: Cooling using Computer Case Fans

Postby orcinus » Sun Jul 15, 2012 1:13 am

Nice marketing pamphlet.
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Re: Cooling using Computer Case Fans

Postby greenvandan » Sun Jul 15, 2012 5:59 pm

I saw the link before it was deleted and thought that there was actually some relevant information there. I don't have a printer, yet, but I imagine one could print a grill to fit over any CPU fan to increase it's efficiency, and/or direct the airflow more to where it's needed. Anyway, I thought it was interesting.
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Re: Cooling using Computer Case Fans

Postby flurin » Sun Jul 15, 2012 6:32 pm

@greenvandan

I've sent you a Message.

I just started printing a fan grill for this purpose.
Last edited by flurin on Sun Jul 15, 2012 9:08 pm, edited 1 time in total.
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Re: Cooling using Computer Case Fans

Postby Enraged » Sun Jul 15, 2012 6:49 pm

thingiverse has lots of fan ducts if you want directed cooling
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Re: Cooling using Computer Case Fans

Postby flurin » Sun Jul 15, 2012 7:00 pm

@Enraged

I tested several versions of ducted cooling!
The problem is that you lose efficiency because of the fan airflow characteristic.
Try it yourself.
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Re: Cooling using Computer Case Fans

Postby flurin » Sun Jul 15, 2012 8:44 pm

... The first print of the Swirl-Fan-Grill:

SwirlFanGrill.JPG


I 'll test it next week.
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Re: Cooling using Computer Case Fans

Postby Enraged » Mon Jul 16, 2012 5:18 am

flurin wrote:@Enraged

I tested several versions of ducted cooling!
The problem is that you lose efficiency because of the fan airflow characteristic.
Try it yourself.


simple solution: add a second fan. there is a nice design for a dual ducted fan, or it would be fairly simple to design one. being that a 40mm fan only costs a few dollars, I wouldn't worry about efficiency too much.
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Re: Cooling using Computer Case Fans

Postby flurin » Mon Jul 16, 2012 7:10 am

@Ennraged

Are you using fans for cooling?

I'm searching for a solution expecially for cooling small prints (diameter 5mm, height 12mm).
I understand that this is almost impossible only with cooling, Slicer-settings and optimization is also required.
But an efficient cooling system will help.
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Re: Cooling using Computer Case Fans

Postby Enraged » Mon Jul 16, 2012 3:41 pm

right now I just have a 50mm fan blowing on everything: the print and the hot end, no ducting. It's wired to my Azteeg and configured in Slic3r. I also have a 40mm fan blowing on the Pololu drivers that is always on when power is on.

I finally got around to calibrating my setup, so I'll be printing a duct soon. Even the one fan blowing on everything seems to have helped the PLA printing.
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