Threaded Rod for X,Y instead of Belt

New Home Forum Mostly Printed CNC – MPCNC Advice – MPCNC Threaded Rod for X,Y instead of Belt

This topic contains 2 replies, has 3 voices, and was last updated by  Barry 6 months, 3 weeks ago.

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  • #30336

    Derek
    Participant

    What would I need to change in the firmware if I was to move my and X, and Y axis in the same way as the Z axis ( in other words everything moves via threaded rod)? I would be using 1/4 20 threaded rod.

    #30432

    Bill
    Participant

    Should just need to change steps per mm, though that’s going to be awfully slow…

    #30437

    Barry
    Participant

    Found on the internets

    !!! For 1/4-20 Threaded Rod !!!
    Lead Screw pitch (p) = #1/4-20 = 20 threads/in = 0.05 inch = 1.27 mm

    Handy dandy lead screw calculator gives this.

    Result Leadscrew pitch Step angle Stepping Gear ratio
    2519.69 1.27 1.8° 1/16th 1 : 1

    So, 2,519.69 steps per millimeter.

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