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A 3D Printed Rotary Reversing Mechanism, Version 2

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Описание

A smaller version of my previous rotary reversing mechanism (https://youtu.be/2q2E5ge4w5Q), this mechanism requires fewer parts and occupies less space.

The smaller red (motor and idler) gears have 16 teeth, the larger (drive and reversing) gears have 32 teeth, thus a two to one gear reduction is achieved. In this video, the N20 gear motor is powered at 3VDC with the mechanism drawing an average of 12MA.

The previous mechanism rotated 180 degrees to drive the reversing gears. This mechanism rotates approximately 48 (47.156357 to be exact) degrees to drive its single reversing gear and 312 degrees (312.84365 to be exact) to drive the drive gear.

Watch the pointer for gear reversal.

Designed using Autodesk Fusion 360, sliced using Ultimaker Cura 4.8.0, and 3D printed in Tough PLA on an Ultimaker 3 Extended and PLA on Ultimaker S5s.

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