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  1. #33
    Ger21 was right about the acceleration. 0.2g would be good.
    Just spotted I was putting 12A into my 4A motors!

    ^Am I right(that I was wrong!). What sort of current should I put in 'Set phase current' box?


    It was all seeming too simple, both options were more than adequate. Now I'm down to much lower accelerations, and that's still with the optimistic flat torque model.

    I've taken advantage of higher ball screw efficiency, and better value for screw inertia.

    I need to program some realistic cutting operations to see if I can spot any difference between the machine options.
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