Functional magnetically coupled gear pump

thingiverse

Magnetic Coupled Gear Pump with No Shaft Seals. Uses R188 Ceramic Bearings that Require No Lubrication. Print in Nylon for Best Results. Motor: https://smile.amazon.com/BEMONOC-Small-DC-Motor-Torque/dp/B01DVHAW6A Bearings: https://smile.amazon.com/gp/product/B06ZZSBDBT/ Magnets: https://www.ebay.com/itm/1-4-X-1-4-MAGNETS-cylinder-disk-25-50-100-250-STRONGEST-N52-Neodymium-A1/152097824827 1/4"x1" Stainless Dowel Pin: https://www.ebay.com/itm/Dowel-Pin-1-4-x-1-416-Stainless-Steel-10-Pieces/172553238480 Designed with Minimal Tolerance Fit. If It Doesn't Spin Freely, Throw in Some Abrasive and Spin It Around a Bit. Cover is Designed to be Cut Out of Clear Polycarbonate and Epoxyed Together. Stack/Merge the 2 STLs for Printing So It Comes Out as 1 Piece. Seals to the Housing with a Piece of X60 or Ninjaflex Filament Cut Slightly Long So the Ends Press Together. Press Fit Magnets with Glue, Make Sure They're Flush with the Surfaces for Maximum Coupling. Alternate North/South. Fixes and Tips: 2 of the Cover Screw Holes Intersect the Ports. Use Pipe Dope on Those Screws. See the Enhanced Version for Assembly of the Pump Gears, and Fitment. On This One, Mount the Motor, Press the Magnet Holder Half Way onto the Motor, Insert 0.1mm Shims Below the Gear and Press It the Rest of the Way by Bolting to the Pump Housing. Ports are Meant to be Tapped for 1/4 NPT. Enhanced 2-Stage, High Volume Pump Here: https://www.thingiverse.com/thing:3309278 It Will Be Getting Updates and Fixes First Since I Have a Real Application for It.