16:1 Cycloidal Drive — NEMA 23 / NEMA 17 — printable pin-wheel reducer with STEP files

A 16:1 cycloidal drive designed as a real gearbox, then prepared for printing. WHAT MAKES IT DIFFERENT Most printable cycloidal drives cut a wavy tooth form into one solid ring, so the disc SLIDES against it. This one uses 17 loose pin cores with a free-turning roller sleeve on each, so the disc meets a ROLLING contact — the way industrial pin-wheel cycloidal reducers are built. Lower friction, far less wear. The disc profile is the exact hypotrochoid with roller offset, generated from the equa…

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