Quote Originally Posted by AndyUK View Post
I was aware that going slightly over would just lead to more cooling requirements, but didn't realize they were quite so lenient.

Let's explore this a bit though; those 4nm Nema23s from CNC4YOU just have "current" listed in the datasheet as 4A. Now is that likely to be a peak or RMS current suggestion?

My EM806 drivers, essentially the same as Desertboy's, have a current table with Peak and RMS, what settings would you use for these motors?

I'm kinda surprised we're talking about this machine being able to reach 20m/min, I'm stalling at half that!
They should have an autotune function like the AM882's have a look in the manual, I used it with my first motors and it really did seem to work.