In fluid power, what does the term "actuator" refer to?

The term "actuator" in fluid power refers to a device that converts hydraulic or pneumatic energy into mechanical motion. Actuators play a crucial role in fluid power systems by taking the energy from pressurized fluids and transforming it into physical movement, which can be linear or rotary depending on the design and application. This mechanical motion can be used to perform work, such as moving a load, controlling a valve, or engaging a mechanism.

Actuators come in various forms, including cylinders for linear motion and motors for rotary motion, and they are essential in applications where precise control and movement are required. Understanding the function of actuators helps in designing efficient fluid power systems and in troubleshooting or enhancing the performance of machinery where these systems are implemented.