5:1 Planetary Gear Reducer for Nema 17 Stepper Motors

Simple and small gear box to reduce Nema 17 Stepper motors by 5:1 to increase torque output.
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updated December 1, 2023

Description

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Modeled in Siemens NX.
Printed the Planet and Sun Gears out of Nylon with 0.25 Nozzle at 0.07mm layer height and 100% infill, the Carrier out of Nylon with 0.4 Nozzle and 0.1mm layer height and 100% infill, the rest out of PLA with 0.4 Nozzle and 0.1mm layer height and 15% infill.
M3 brass threaded inserts in carrier.

 

 

Model origin

The author marked this model as their own original creation.

License