PLANETARY GEAR (i=6)

myminifactory

This model represents a planetary gear with a transmission ratio of i=6. I aimed to keep the model simple, so the amount of extra parts and additional work should be minimal. To get the tolerances right, you may need to experiment a little bit with the size of the gears until everything runs smoothly. For me, this scaling worked best on my Creality Cr10 machine: Planet Carrier: 97% Sun Gear (The smaller Spur Gear): 90% Planet Gears (The bigger Spur Gears): 96% Assembly: Like every simple planetary gear. You can bolt everything (especially the extra parts) together with M5 screws and spacers or towards something. The default axle cutouts are for hexagon axles, but you can also melt any other shape that fits into the Sun Gear or Carrier. If you want, you can try to stack multiple of these gears in a row to get an incredibly high gear ratio. I haven't tried this yet, and I doubt that the plastic parts will withstand higher torque or rpm. Maybe if you submerge everything in silicon oil... The extra parts turn the model into a functional LEGO-compatible motor+gear (please use low voltages/rpm if you want the part to survive longer...). The motor I used was a "Tamiya Dirt-tuned Motor (27T)" (no ad, this motor just happened to be lying around...), but you can use whatever motor you like. You may need to adjust the mount a little bit. Also, you might need an adapter for the axle of the motor (usually really easy to print if you don't have a metal one). That's it for now, I guess. I hope you have a lot of fun building, playing, and messing around with my model! P.S.: This is my first upload of a 3D model, and I'm not very good at English...