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Drive Gears for Robot Vacuum: STL Models

This collection gathers STL files for gears and gearboxes used in robot vacuum cleaners. You will find drive wheels, brush gears, planetary reductions and repair-oriented parts. It helps when a plastic gear wears out or when you build a custom drivetrain. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

Il testo di questa raccolta è in inglese; la ricerca funziona in qualsiasi lingua.

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Criteri di selezione a cura della redazione di Polyzon · Testo aggiornato: 13/10/2026

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«Drive Gears for Robot Vacuum: STL Models»

The models split into several practical groups. Replacement gears for brush rolls and drive wheels copy the shape of a worn part. Planetary, cycloidal and harmonic reductions are used for custom joints and drivetrains, while simple spur gears serve lighter mechanisms. Some files include a full gearbox housing or a motor mount, so the gear train and its enclosure arrive together.

When choosing a gear, look at the tooth profile, module or pitch, bore diameter and the number of teeth on the author's page. Check how many parts make up the assembly and whether the design expects screws, bearings or printed shafts. The material and settings listed by the author matter because small teeth and thin walls behave differently in PLA, PETG or resin. Photos of real prints show how the teeth mesh and where supports were placed.

To refine the search, try synonyms such as drive gear, brush gear, wheel gear, reduction gear and gearbox. Related terms include robot vacuum drivetrain, motor mount, planetary set, cycloidal drive and replacement part. If the exact model is not listed, search by the gear type and the dimensions you measured. You can also look at robotic arm and rover projects, where similar gear trains appear.

FAQ

Domande frequenti

How do I identify the gear I need?
Measure the outer diameter, tooth count, bore and thickness, then compare those values with the dimensions on the model page. Photos of the original part and the printed part help confirm the tooth shape.
Can a printed gear replace a molded one?
It can work if the tooth profile and mounting points match the original. Load, material and print orientation affect how long the part lasts, so inspect the author's notes and test fit before assembly.
What material should I use for small drive gears?
Authors often list PLA, PETG, ABS, nylon or resin for these parts. Choose a material that balances stiffness and wear for your mechanism, and follow the settings shown on the model page.
Why do some gearboxes have multiple stages?
Multiple stages increase the reduction ratio and torque from a small motor. Check the part count, assembly order and whether the design uses printed or purchased bearings.
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