5:1 Planetary Gearbox
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A compact 5:1 planetary gearbox. Parametric Fusion 360 file included!
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Updated at source:
Model information
- Source
- Printables
- Category
- Engineering
- License
- Creative Commons — Attribution — Share Alike
5:1 Planetary Gearbox
About:
A 3-planet gearbox with a fixed ring gear, sun gear input, and carrier output. Designed in Fusion 360.
Specs:
Ratio: 5:1
Teeth: sun 18 / planets 27 (x3) / ring 72
BOM:
Item | Qty |
|---|---|
Sun gear | 1 |
Planet gear | 3 |
Carrier | 1 |
Ring gear | 1 |
Base | 1 |
CA glue | As needed |
Assembly:
Place the three planets on the carrier pins.
Slide the planet assy. into the ring, verifying correct meshing.
Slide the sun gear into the ring, making sure it meshes with the planets.
Glue the ring into the base.
Turn the sun by hand: 5 turns should give one turn of the carrier.
Tips:
Print the sun, one planet, and a short slice of the ring first to check tooth fit.
The design is yet untested.
What's included:
STEP files of every part and of the assembly.
STL files of every part.
Fusion 360 source file
G-Code for Bambu Lab A1