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Cake day: June 13th, 2023

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  • Steppers have a higher precision to a servos higher speed and torque (but torque that’s not constant.)

    Just trying to understand this. Then how come all CNC precision machines use a servo instead of a stepper? I mean there are some ridiculously accurate machines that can position itself over and over varying under a micron (<.001mm) but the manufacturers choose servo over stepper. Is it for the sake of holding torque that servos have to be used over steppers?