What is the primary purpose of a hydraulic actuator?

The primary purpose of a hydraulic actuator is to convert hydraulic energy into mechanical movement. This process involves using pressurized fluid to create motion in various mechanical systems. Hydraulic actuators are commonly found in applications where strong force and precise control are necessary, such as in industrial machinery, robotics, and automotive systems.

When hydraulic fluid is directed into one side of the actuator, it creates pressure that causes the actuator to extend or retract, thus generating the mechanical movement needed to perform work. The efficiency and effectiveness of hydraulic actuators make them an essential component in systems that require smooth and controlled motion under heavy loads, showcasing their fundamental role in translating hydraulic power into actual work.

In contrast, generating electrical power and storing pressurized fluid do not relate directly to the primary function of an actuator. The control of flow direction is also a separate function typically handled by valves, rather than being the main purpose of an actuator itself.