Peristaltic Pump (NEMA-17)

A compact peristaltic pump powered by a NEMA 17 stepper motor. A press-together stop (fastened with a few dabs of super glue) prevents the tubing from shifting during use.

STEP and STL files are included.

Update: New roller head and pump body (v. 02)!

Materials

• 684ZZ Ball Bearings (x3)
• M3 x 4 mm Pan Head Screws (x6)
• NEMA 17 Stepper Motor, 42 x 23 mm
  • shaft length ≤ 21 mm
• A4988 Driver Board
• Silicone Tubing, 3 mm OD x 1.5 mm ID
• Superglue

The updated Roller Head (v. 02) will also require:

• M2.5 x 6 mm Flat Head Screws (x3)