Printable 1:13 Distributor Valve
grabcad
I made a 1-to-13 distributor valve to water my home greenwall. Most parts are 3D printable.Additional hardware required:- 1 NEMA17 dual-shaft stepper motor- 1 limit switch- 1 608ZZ ball bearing- ~2cm^2 of 1mm-thick PTFE sheet- 4 M5x20mm capscrews- 4 M3x10 screws- 1 12+" ziptie- superglueUpdate:I made this system about six months ago. It worked fine for a few months, but after a while it started to seize and wouldn't rotate between outlet positions properly. That's because I used partially-shielded ball bearings and eventually they rusted. If you use this system, which honestly I don't recommend, you'll need to use fully sealed ball bearings. I ended up replacing this distributor valve with a bunch of cheap solenoid valves.
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