Electric ball-screw actuator controls rollers on a “smart” conveyor, replacing less flexible pneumatic actuators. Engineers at Intralox L.C.C, Harahan, La., used electric actuators to improve ...

Ball screws, depending whether or not preloaded, can have efficiencies up to 90%. Rack-and-pinion linear actuators with electronic ... product engineer at Parker Hannifin Corp. and mechanical ...