Open source fully parametric Peristaltic Pump v3

LAST UPDATED ON 2019-10-21

There are several peristaltic pump projects on Thingiverse. However most of them lack source codes and could not be adjusted to use with different hose and bearings. So I designed fully parametric peristaltic pump. It can be customized to use any silicon hose, any Nema motor, and any bearings. Source files are supplied. Feel free to modify it and adapt to suit your needs.

Attached STL files are designed for silicon hose with OD=9 mm, ID=6 mm, and 1.5 mm wall. With that hose Nema 17HS4401S motor in able to pump up to 100 litres per hour with TB6560 driver at 1000 RPM. Typical water flow at more appropriate 300-500 RPM is about 30-60 litres per hour.

The latest pump version v3 utilizes small pen spring to compress the hose. Hose supporting carriage is able to move in both longitudinal and transverse direction reducing probability of rotor blocking. Small hose insets are used to fix the hose with the stator cover.

The latest version includes PCBs f