Print-in-Place Herringbone Planetary Bearing
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Planetary gear bearing that prints assembled and spins off the plate. Herringbone teeth keep it together. No supports.
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Model information
- Source
- Printables
- Category
- Puzzles & Brain-teasers
- License
- Creative Commons — Attribution — Noncommercial — NoDerivatives
Planetary gear bearing that prints assembled and spins off the plate. Herringbone teeth keep it together. No supports.
Sun + 3 planets + ring gear, printed in one go and already meshed
Herringbone (30°) teeth: the gears can't slide out up or down
Sun turns 5 times per planet-carrier revolution with the ring held
8 mm hex hole in the sun: drive it with an Allen key or a drill
Involute tooth profile, module 2, 0.1 mm clearance per flank
111 × 105 × 15 mm
Print settings
A1 mini, 0.20 mm, PLA: about 2 h 05 min, 49 g. No supports. First layer must be clean: elephant foot can fuse the gears, so use a brim-free, well-levelled first layer and break it loose by turning the sun with an Allen key.
Parametric OpenSCAD source included: change the values at the top of the file to fit your needs.
About this design
Designed in code (OpenSCAD / build123d). Checked for overhangs and bed fit, and sliced in Bambu Studio before release. Pictures are 3D renders. Makes and feedback welcome.
Español
Rodamiento planetario de engranajes en espiga que sale de la impresora montado y girando: sol, 3 satélites y corona. Hueco hexagonal de 8 mm para moverlo con una llave Allen. Sin soportes, unas 2 h y 49 g.
العربية
محمل تروس كوكبي بأسنان على شكل حرف V يطبع مركبا ويدور مباشرة بعد الطباعة، بلا دعامات. فتحة سداسية 8 مم لتدويره بمفتاح ألن.