Flashforge AD5X - Replacement part cooling fan cover
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I wasn't completely happy with any of the existing printable designs, so I did what I always do and made my own.
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- Open Community License v1.1 + General Attribution v1
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I wasn't completely happy with any of the existing printable fan covers that I'm aware of, so I made my own.
This has specifically been developed and tested with a modified top cover (but the stock hotend and hotend mount), not the stock one. That being said - other fan covers and the stock fan cover fit fine with said top cover, so I would expect this fan cover to work fine with the stock top cover too.
This is not intended to be, and almost certianly will not be, compatible with the Ender 3 hotend mod. It's for the stock hotend. It should be fine with any modified hotend that can still use the stock fan cover.
Non-printed parts needed:
Fan and PCB from existing fan cover
5x2mm magnet x 2
My print settings:
Material: ABS or PA-CF (ABS used for testing / development, PA-CF used for final version)
Nozzle: 0.4mm
Layer height: 0.16mm, first layer 0.24mm
Line widths: 0.5mm first layer, 0.45mm outer wall, 0.42mm top surface, 0.48mm all others
Speed: 75mm/s (ABS) or 50mm/s (PA-CF)
Brim: Inner+outer, 4mm width, 0.025mm gap
Supports: Not required
Orientation: As in the STEP file (face down)
Assembly:
Remove brim from new cover.
Insert magnets into recesses in new cover, taking care to match polarity to the original (they are opposite polarity to each other!). Glue should not be necessary, but feel free to use some if you like.
Remove PCB and fan from your current fan cover (or purchase a spare of each - note that many listings appear to not include the screws for the PCB).
Insert fan into new cover.
Use screws to secure PCB into new cover.
FreeCAD source file included. It's a bit of a mess, as always for me. It includes some other things I tried with the ducts, including one ("Rev2") that, while not of practical use as a fan cover, has some interesting airflow behavior.
First photo is PA-CF, second photo is ABS version (second-to-final) being used to print the PA-CF version, third photo is various test / development prints (all ABS; the partly-black one was the result of a filament chicken failure and having no more black ABS on hand).