6 Axis CNC Demo Rumba – Feedrate unresponsive

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  • #11480
    AvatarAnonymous
    Inactive

    Hello,
    I’m using the 6 axis CNC Demo Rumba Arduino code currently connected to three (for testing purposes/have not set up the other motors yet) NEMA 34 motors controlled by DM860A Mircosteppers and an Arduino Mega. I can get the motors to move, but I am unable to control the feedrate using G1. I have tried various set ups and different codes to no avail.
    I’m currently imputing the code ‘G1 F5 X1200 Y1200 Z1200’ and all the motors move, when I change the feedrate nothing happens. I would like it to move very slow.
    Thanks for the help

    #11593
    AvatarAnonymous
    Inactive

    What command are U using to change feedrate. I had similar issue, the problem was in command syntax.
    You can check if feedrate was changed with M114; command.
    I was changing feedrate with following command: G01 FXXXX (XXXX – desired feedrate)
    Also you can change default feedrate here:
    446| feedrate(1000); // set default speed

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