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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 GouldPaul Gould
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  • Paul GouldPaul Gould

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ongoing project
robot arm cycloidal ROBOT Stepper motor

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my test using

This project was created on 06/18/2019 and last updated a year ago.

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

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?

  Are you sure? yes | no

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

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

  Are you sure? yes | no

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

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.

  Are you sure? yes | no

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

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?

  Are you sure? yes | no

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

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

  Are you sure? yes | no

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