MK1 Steel router build log 1500x800x200

[driftspin]

So.... i am working on z axis.

Hope to get it done soon though there is not a lot off spare time to play.



After that ... steppers belts pullies


I still have room in the design to go single or twin motors on the X axis.

I modified the motorcalcs.XLS to compensate for belt reduction 1:2 ballscrew 2010 vs stepper RPM.


Basicly 20N cutting forces @ 2300mm/min
Plenty?
5+ m/min rapids


I split the estimated total weight of the gantry for dual stepper setup calculation.
All looks acceptable in there.

So I am now half convinced twin 4nm nema23 will work ok.
But did not have no irl inertia data or torque curve for the cnc4u 4nm nema23.


uc300 has been on my mind since day 1.
Slaved x axis homing is also feature of uc300.


What questions do i need to answer to make a final choice here?

Any input is welcome .. i am not sure how to move on from here.




Grtz Bert.





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