|Linear Stepper Motors and High Lead Ball Screws (accuracy comparison)|
High lead ball screws are compared to IntelLiDrives linear stepper motors. Even though small lead precision ground screws may be somewhat more accurate that high lead screws, they significantly limit linear speed. Ball screw is assumed to be driven by two phase rotary stepper motor with micro-stepper drive to achieve high precision. Thermal expansion errors, equivalent for both systems, were not considered in this analysis.
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