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#Pc fan sizes vs screw hole distance install#
#Pc fan sizes vs screw hole distance mod#
#Pc fan sizes vs screw hole distance full#

I needed slightly longer screws for the hotend, but was able to use the ones for the controller board fan. The “fix” (way less noise and no more “whine”) I went with was (4) 4mm washers on each of the posts that the fans mount on. Sure enough, the noise seemed to come from increased air flow across the grates. After some experimenting I determined that on their own these fans were whisper quiet. It was mentioned on one of the other reviews about that noise might be from the fan “grate”. I started to wonder if I had a bad set of fans, but figured it was unlikely both were bad. I figured that can’t possibly be right (especially, after seeing other reviews). Initially I was dismayed when I installed these because they seemed louder with a higher pitched whine. After swapping the controller out for the EZBoard Lite, the stepper motors were way quieter than the fans so I figured I these would be the next thing “upgrade”.

I bought two of these initially with the ideas of quieting the Ender 3 on my desk and after the hotend fan starting making noise that sounded like it was potentially going out only a couple of weeks after building the printer and finally getting into the hobby. If you can point us in the right direction. Something wrong with this post? Thanks for letting us know. Side note, the stock i received were not the TH3D branded units discussed on the live stream, probably still working on the old stock. If you don’t mind doing a little work to get it to fit, you’ll be happy with these. I actually ended up distorting the fan chassis a little, but it’s working with no rubbing. On the hotend side, I did have to do quite a bit of reaming and fitting to get it in there (odd as the Noctua was a drop in for both locations, physically).

#Pc fan sizes vs screw hole distance full#

The fan slipped right into the case fan mount with no issue, and now is running full time as the noise is bearable. These fans are obviously louder than the Noctua’s but man they flow some air. But on longer prints that 1 cfm would rear its ugly head on the hotend, leading to heat creep issues. For most things they worked great, being less than 1 cfm off of desired spec. I had previously done the Noctua A4x10 FLX swap on my Ender 3.

2 “UY” quick connectors for solder-free installation.

#Pc fan sizes vs screw hole distance mod#

Fan Mod Article: Fitting Fans to Creality Machines – Larger Metal Standoffs.

If your fan holes do not fit over them please see this article to make the fan fit correctly while still using the stock screws.

Some Creality machines have been reported to have larger size metal screw standoffs.

If fans are shorted out/killed due to improper wiring this is NOT covered under warranty.

You can verify polarity with a cheap $10 multimeter from Amazon or you local hardware store.

Our fans use red for positive and black for negative.

There is no list of what machines use what as it can vary from model to model and we have even seen differences in wiring colors used in the same printer models.

Typically red is positive and black is negative but some of the Chinese printers to not adhere to these standards.

Be sure to check the polarity on the wires you are connecting our fans to.

#Pc fan sizes vs screw hole distance install#

Install Notes – Depending on your revision you may need to widen the holes a little on the fan screw holes themselves (use a file or drill bit slightly larger than the stock holes) to get them to slip over the metal posts, or use slightly longer screws.