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    1. ROBOT FORUM
    2. General Discussion
    3. Using the AR3 robot as a cnc
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    Benny G
    Mar 9

    Using the AR3 robot as a cnc

    I'm thinking about building an ar3 robot many months from now, and I want to use it as a cnc for various machining purposes. I see robots arms like kukas acting as a cnc carving busks and stuff and I am wondering if an ar3 can do the same.


    I am also thinking about increasing the power on most of the motors so the robot has a greater reach, maybe 36-40'' and increased strength, 50:1 Nema23 for j1, 100:1 Nema23 for j2, 50:1 Nema23 for j3, and maybe a nema23 screw on j5, would that work.

    2 comments
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    Kstan Simit
    Mar 12

    i dont think it is suitable for cnc easily, the reason as below: 1. not all joint is tough enough especially j5.

    2. the ARCS application abit old fashion, not easy to do programming, like you will encounter how to convert gcode become machine movement


    No doubt AR3 is very good DIY robot arm, however I feel recommended payload of AR3 is <1kg, more than that the toughness of J5 is critical concern. CNC tools weight may >1kg?


    For software limitation, Mr Dextor shared his wonderful work using ROS/Moveit which I feel very useful.


    www.anninrobotics.com
    AR3 with ROS and MoveIt | Annin Robotics
    Hi all, I would like to share my work on integrating the AR3 with ROS and MoveIt. I've released a baseline version of my code with the necessary packages to get you started with controlling your own arm. I hope that it will be helpful for those looking to explore ROS and MoveIt. The project is avail

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    Brandon Hanson
    Mar 14

    I believe the issue you will run into is backlash/rigidity. Unless you're changing the mechanical build of the robot, I don't think that swapping to bigger motors will help.

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