Any reason
Is there any reason why the gantry has to move on a CNC router? Seems to me
you could get a lot more rigidity by moving the table along one horizontal
axis instead. Then just move your Z axis assembly along the gantry for the
other horizontal axis, but have the gantry solidly bolted to your table
base. I realize it will take up more room when working this way, but that's
no different than a mill.
Just thinking out loud.
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