In a traveling-screw linear actuator, the motor "crawls" up and down a lead screw that is restrained from spinning--the only spinning parts are inside the motor, and may not even be visible from the outside.
The only spinning parts are inside the motor, and may not be visible from the outside. In a traveling-screw linear actuator, the motor "crawls" up and down a lead screw that is restrained from spinning.
In a traveling-screw linear actuator, the motor "crawls" up and down a lead screw that is restrained from spinning. The only spinning parts are inside the motor, and may not be visible from the outside.
In a traveling-screw linear actuator, the motor "crawls" up and down a lead screw that is restrained from spinning. The only spinning parts are inside the motor, and may not be visible from the outside.