SMRTR TechMar 11, 2026Daily.dev

3D Printing A Harmonic Pin-Ring Gearing Drive

SMRTR summary

Traditional cycloidal drives used in speed reduction require many components, but a newer harmonic pin-ring design used in TQ electric bicycles simplifies this to just two discs that work 180° out of sync to cancel wobble and create a more compact system. This strain wave gearing technology, originally patented in 1957 and famously used in NASA's Lunar Rover, is now gaining renewed attention for its efficiency and space-saving benefits.

SMRTR provides this summary for quick context. The original article belongs to Daily.dev.

Read the original article
SMRTR Tech

Get the next batch of curated summaries in your inbox.

This archive is built from SMRTR newsletter summaries. Subscribe for hand-picked stories without the extra noise.