Latest / Hardware Startups with Fexingo: Devices, Robotics, and Manufacturing Tech Companies
How Hardware Startups Use Planetary Gearboxes in Robotics
This episode of Hardware Startups with Fexingo dives into why planetary gearboxes are the unsung heroes of robotics and motion control. Lucas and Luna break down how a single $8 gearbox from a Shenzhen supplier turned a garage-built robotic arm into a production-ready product, and why torque density matters more than raw speed. They cover the trade-offs between spur gears, harmonic drives, and planetary gearboxes, and how startups can source them without blowing their BOM budget. Specific numbers: a 10:1 reduction ratio in a 42mm frame size, backdrivability thresholds for collaborative…
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