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Oranginator

Ender-3 PSU Cover 92 mm fan LM2596

by Oranginator Jun 6, 2018
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total nonsense, definitely no 24 V fan or stepdown is needed in Ender 3. It comes with a 12v fan control. However, this one only delivers a few Miliamphere. Space for stepdown always useful but not for the fan. Great design

The new Ender 3 has 12V fan control, the ones from 2018 early have 24V. Check the internet it's full of guides how to install 12V fans on a 24V Ender...

For anyone considering doing this mod, double check the voltage output from the powersupply to this fan. On mine the board is marked 12v but output was only 7v. You can still hook up a 12v fan to the 7v outlet, just be aware that you might not even need the LM2596.

All the PSU fans are pulling Air from inside to outside.... Why do you have the fan pushing Air Inside the psu?

um, you do know that you can just easily turn the fan around, right?

I think you can simply turn it.

Did everyone connect their LM2596 to the 12v fan connector and if so does the fan speed change during load?
I mesured the 12V fan connector without the printer connected and it said 7v. Maby thats what it is when theirs no load on the power supply.
Was thinking of connecting it to one of the 24V connectors on the supply and run the fan on 9V always instead if thats not a bad ide?

Hey, I noticed the same thing but had everything connected. 24v powersupply but the board is marked 12v. I scoped the port with the printer connected (so full load), and it was pushing 7v. I used a 12v fan there, it just helps run the fan a bit quieter. Should be totally fine to use even at 7v.

You can change the voltage output of a LM2596 with a screwdriver.

Does the pwm still working with the LM2596?

Did you get the DB of the power supply before and after?

I don't have the possibilty to meassure DB in a correct way, so if anybody wants to do that feel free.

Have you scoped the internal fan voltage? On mine, it is 12V. The output rails are 24v, but I see regulated 12 at the fan.

Mine is definitly 24V.

Hi,
Was it written 12v or 24v on your original OEM fan? On my Ender-3 PSU fan it's written : www.kytet.com 12v 6015S 0.16A
I want to change it for a silent one and was gonna order a 12v fan. But now you make me wander.

24V was written on the fan. If you're in doubt you should check it with a multimeter.

Interesting. Thanks for checking.

Just wanted to say thanks for this. It has reduced the noise of my printer significantly and looks very cool after painting the rest of the PSU with my color scheme. Great job!

Thank you, very nice to read that.

Hi !
Thanks for this great masterpiece.
Could you please give some advices for infill and resolution to use ?

Regards

More or less everything should be fine. I have been printing it with PLA 0.12 layer height and cubic subdivisions infill (20%) but there's nearly no infill in that thing.