Home 3d Printing 3D Printed Butterfly Valve Helps Automate Fume Extraction

3D Printed Butterfly Valve Helps Automate Fume Extraction

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It’s not something we always think about, but there’s plenty of hazardous fumes in the average workshop that can be deleterious to human health. Whether its soldering, lasercutting, or 3D printing, all of these processes release nasty chemicals into the air that are best filtered for health reasons. To help build out a working filtration system, [Fab] needed some valves, so set about printing some of his own.

[Fab] went with a simple butterfly valve design, similar to the throttle valve in most gasoline-powered cars. The butterfly vane rotates to vary the flow, turned by a small SG90 servo. A Wemos D1 Mini is used to run a pair of the valves, which are paired with a Y-adapter to connect both a soldering station and 3D printer to the fume extraction system. As a nice touch, a WiFi-enabled outlet is hooked up to the soldering iron which notifies the D1 Mini when it’s switched on, flipping the valve open to automatically start fume extraction.

It’s a tidy system that will enable [Fab] to breath easy in the workshop for years to come. Files are available for those wishing to print a set of butterfly valves for themselves. We’ve seen some other smart fume extractors before, too. Video after the break.




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