Building a gantry mill and been mulling over my moving gantry. Its based on steel tubes and im going to fill it for dampening etc

Bare gantry is about 50kg fully filled it adds about 110kg, i can cut this in half by casting in a void.

The table/machine base is around 500kg, drive motors for gantry is 24Nm steppers.

I want decent accel/decel values and not too much gantryweight vs baseweight.

Any thoughts ?

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