Prusa i3 MK2 Nozzle Fan Upgrade
by Druckbaer, published
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Hello lovers of the Prusa i3 MK2,
after upgrading the extruder fan with the thing from JKSniper (https://www.thingiverse.com/thing:2076234) which reduced the noise level of the printer a lot there was still the noisy nozzle fan. Therefore I had to do something!
After the good experience with the Noctua fans I decided to design an additional fan adapter for an 60mm fan (60mm because the air flow of the 40mm version was lower than the flow rate of the stock radial fan)
I use this fan and it worked perfectly quiet (50 cm away from the printer just 40 dBa):
You could buy it from the official noctua ebay shop: http://www.ebay.de/itm/232161938203?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
Keep attention that you order the FLX which is the 12V Version!
The complete fan adapter consists of three parts:
- the adapter itself
- a changeable air outlet (first idea was to make a circular outlet around the nozzle) so you can create your preferred outlet and just change it
- the fan cover which is screwed on the adapter to laminate the not so pretty color of the fan
Unfortunatly i deleted all CAD files except the ready sliced gcode files. BUT those first prototypes fit perfectly at the first try and everthing worked as supposed!
To attache the adapter to the extruder body you can use some shorter M3 screws from the spare. For attaching the cover onto the adapter i recommend 4 pieces of M3x35 screws
Have fun with a real quiet Prusa i3 MK2(s) :)
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Prusa i3 MK2 Nozzle Fan Upgrade by Druckbaer is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.
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