Peristaltic Pump
thingiverse
A peristaltic pump is used to pump fluids. Its main advantage is that the fluid never get in contact with mechanical parts of the machine as it is contained within a flexible tube. This peristaltic pump was realized for "Hydroponic L.I.S.A." (http://www.thingiverse.com/thing:414271) but it is possible to adapt it for any other machine. Instructions The stepper is a standard Nema stepper for 3D printing 4x 634Z bearings 2x 608Z bearings 1x M8 threaded rod 2x M3 screws to fix the stepper 1x polyurethane tube (the one used for slingshot, outer diameter 6,5mm; inner diameter 2,5mm)
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