Triple Cycloidal Robot Arm

3D printed four Joint Robot Arm. Three of these joints have triple cycloidal gearboxes with 30:1 ratio powered by NEMA 17 stepper motors

Paul Gould

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Description

https://www.thingiverse.com/thing:3699096
Project Status.Bearings are on orderParts are 3D printingThe design is in a constant state of flux

Project Logs

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Robot Arm Wrists
Paul Gould • 06/27/2021 at 10:45 • 0 comments
Inline Timing Belt reduction with internal NEMA17
Paul Gould • 04/25/2021 at 12:36 • 0 comments
Open Source Cycloidal Actuator with NEMA17
Paul Gould • 04/05/2021 at 14:16 • 0 comments
NEMA17 Dual Stage Timing Belt Reduction
Paul Gould • 04/04/2021 at 15:34 • 0 comments

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Discussions

Jin Han wrote 07/17/2019 at 23:36

haha I was considering splitting one rotor thinner and placing them on each side of the thick rotors too! how did you find this method? any improvements on vibration?

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Paul Gould wrote 07/18/2019 at 13:43

It is so much better, less twist. Check out the YouTube video. https://www.youtube.com/watch?v=pizl7i-uB68

https://github.com/gouldpa/Triple-Cycloidal-Robot-Arm-Proto-2

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Matt Balisky wrote 06/21/2019 at 06:40

Hey Paul, I am currently creating a robotic arm for a design competition at my university and was wondering where you found the information on the design of the cycloidal gears? Additionally would it be possible to upload the assembly so that I could open it in solidworks? currently it is just a 3D object file which doesn't allow me to dissemble it at all.

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Paul Gould wrote 06/26/2019 at 17:12

https://hackaday.io/project/163766-low-cost-3d-printed-robot-tail/log/159482-gear-box-design

I'm using Autodesk inventor. What is a good format to used between this and your solidworks? Is step ok?

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Paul Gould wrote 07/18/2019 at 13:43

https://github.com/gouldpa/Triple-Cycloidal-Robot-Arm-Proto-2

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Triple Cycloidal Robot Arm

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Robot Arm Wrists

Inline Timing Belt reduction with internal NEMA17

Open Source Cycloidal Actuator with NEMA17

NEMA17 Dual Stage Timing Belt Reduction

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