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IndustryArena Forum > OpenSource CNC Design Center > Arduino > Arduino GRBL - wrong diagonal movement
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  1. #1
    Join Date
    Apr 2018
    Posts
    3

    Arduino GRBL - wrong diagonal movement

    Hi, I am setting up Arduino - GRBL 2 axis plotter/ miller.

    There is a weird issue with the diagonal movement
    (Universal G-code sender, Jog control buttons)

    One axis movement:
    - (+X,-X,+Y,-Y), OK

    Two axis movement (diagonal):
    - (+X+Y, -X-Y), OK
    - (-X+Y), Y is inverted, goes (-X-Y)
    - (+X-Y), X is inverted, goes (-X-Y)

    Seems that whenever one axis is set to '-' direction, the other can't be a '+' direction.

    Any ideas what is going on ?????

    Regards, Emil

  2. #2
    Join Date
    Mar 2015
    Posts
    460

    Re: Arduino GRBL - wrong diagonal movement

    I have checked UGS (platform) and FluidNC. All movements in all direction combinations are working OK. As grbl responses to gcodes the problem will be in UGS. I activated the jog buttons using the mouse. If you used the keyboard then check if the keyboard macro's are activating the right jog button.

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