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  1. #1
    Hi Steve,

    Here's a sketch I was working on a while ago. Double X axis motors, all ballscrews, profile rail Y and Z, supported rail X. Gantry sides are RHS with spacer block connection to gantry. Y axis ballscrew is underneath to give a low bending moment on the gantry sides. Disadvantage is risk of collision damage and swarf ingress (needs shield).
    Maybe some ideas in there.
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    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4

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