The ball screw is a mechanical linear actuator that translates rotational motion to linear motion with little friction.A threaded shaft provides a helical raceway for ball bearings which act as a precision screw.Ball screw assembly consists of screw, nut, end support unit and coupling, the function is to convert rotary motion into linear motion, or convert linear motion into rotary motion. Because of the high stiffness and accuracy, ball screw is widely used for all kinds of industrial equipment and precise instruments.
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