Download Free 3D Model Permanent Magnet Motor/Generator Rotor 3D Print Model

Summary
This is a permanent magnet motor or generator rotor. It uses a double stack of the popular sized ceramic magnets (1-7/8″ X 7/8″ X 3/8″) like these :https://www.harborfreight.com/pack-of-2-ceramic-block-magnets-97504.html for each of the 6 positions. There is a choice or either a rotor for a 8mm shaft or a 1/2″ shaft. Use #6 to 32 x 1/2″ bolts to attach the ends. Dimensions: 3.5″ diameter X 1.885″ length. Also added .25″ bearing stand-offs on both ends.
.01″ added to spaces for magnets and bolt holes to compensate for shrinkage of material.
Disclaimer: Disclaimer: Experiment at your own risk. Catastrophic failure of parts spinning at high speed can cause damage to property, injury, or even death.
Print Settings
Printer Brand:
Printrbot Printer:
Play Rafts:
Doesn’t Matter Supports:
No Resolution:
.2mm Infill:
20 – 30% has worked fine for me. You should consider more for 5000+ rpm’s Notes:
.8mm top and bottom layers
.8mm walls
I print in pla.