Looking for correct rotary axis settings

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  • August 28, 2015 at 11:41 am #8682
    mara
    Member

    I am trying to get a rotary axis running with TinyG and Shapeoko 2.

    The Github listed settings I have entered to control the rotation don’t seem
    to make any difference as entering different values for $tr travel per revolution and $ara radius value in Coolterm does not change the amount of rotation when jogging the A axis in Chillipeppr.

    I am not sure the travel per revolution setting is working for a rotary axis on the 4th motor as when a value is entered $4tr=360 the result is given ; 360 mm
    when it should be in degrees or maybe I have missed something.

    Testing with a piece of dowel the right diameter for a rotary axis job the cutting occurs on roughly only 90 degrees.

    Any advice greatly appreciated.

    August 28, 2015 at 6:45 pm #8684
    cmcgrath5035
    Moderator

    I have ner played with rotational axes.

    Anything in here help:?

    August 29, 2015 at 9:32 am #8685
    mara
    Member

    Thanks for reply, Updating the firmware in Chillipeppr to 440.18 corrected the settings for the 4th motor as a rotary axis.

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