Soldering fume extractor (120mm)
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Fume extractor using recycled parts I had laying around
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I'm sick of inhaling soldering fumes, so here is a fume extractor using recycled parts I had laying around.
Uploaded are 2 versions: one with mounting holes for M4 self-drilling screws that fix the fan to the box, and one without for hot gulueing the fan to the box. I f-up several times the position of the mounting holes, so my box ended up being made with non-used misplaced holes. Files should be correct by now.
Cover backplate is optional.
Required parts
- 120mm fan, 12VDC 0.5A. Repurposed from a dead ATX PSU. Watch out for PC case fans as they are usually too weak (~0.15A and low airflow). No need for PWM, the simplest one will work. Get the metal cover plate too, if possible.
- 12V6W AC/DC transformer. Mine came from an old router.
- Rocker switch 2 positions -> https://www.amazon.es/dp/B07TCH6Q2W
- Male barrel connector 10mm -> https://www.amazon.es/dp/B07RMY12K1
Screws M3:
- Minimum 3x, up to 6x length 10-15mm for attaching filter holder to box.
- Minimum 4x, up to 6x length 5mm for attaching cover backplate to box.
Screws M4:
- 4x self-drilling screws for 120mm fans.
Carbon activated air filter -> https://www.amazon.es/dp/B00D9AS24E you need to separate the white layer on this one, only the black part is useful for this.
Printing tips:
Print with supports:
Box facing down Print without supports:
Holder horizontal
Cover backplate horizontal, the widenest side (outside) facing down
Mounting
Fan+ to rocker switch.
Rocker switch to barrel connector+
Fan- to barrel connector-
Attach the fan firmly to the box, then mount and fix the switch and the connector. Glue the connector if possible, although it's designed for a tight fit. Install the metal bars if available. Cover the terminals so it cant get shorted by any filter residue.
Cut to length the air filter, should cover the entire section.
Insert the holder screws and make tiny holes on the filter where they should come through. Screw on the box.
Screw in the cover backplate.
Original pictures printed on an Artillery Genius.