The lead screw, 10mm rod and lm10uu bearings are what drive, support each axis, y has two one either side of the gantry x axis where a 700W router sits on the z axis.
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Steppers are NEMA 17, 0.9' degree, about 2amp capable but drivers are simple polou on a RAMPS 1.4.
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The screws are dual thread if that helps. Yes threaded rod to stepper couplers are flexible but might need to keep and eye on that.
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Right now just collecting bits hence doesn't have bed yet etc. loosely about 500mm x 600mm bed size, c70mm z travel.
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This is a CNC not a printer.
