White Paper by Carlos Gonzalez | Machine Design  originally posted April 16, 2015

A linear actuator moves a load, which can be an assembly, components, or a finished product, in a straight line. It converts energy into a motion or force and can be powered by pressurized fluid or air, as well as electricity.
Here is a breakdown of common linear actuators, their advantages and their disadvantages….
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PDF Article: What’s the Difference between Pneumatic, Hydraulic, and Electrical Actuators?