What Is an Actuator Head

An actuator is an electronic device controlled by a motor that moves the hard drive head arm. … However, today the actuator is often controlled by a servo motor. Below is a graphic example of the inside of a hard drive including the head actuator.

What does an actuator do in a heating system?

An actuator is the part of the heating system that is responsible for moving or controlling it. It requires a control signal and source of energy (usually an electric current). The actuator responds to the control signal by converting the energy into mechanical motion.

What does an actuator valve do?

Electric valve actuators control the opening and closing of valves. They can provide either linear or rotary motion and work with different types of valves, including ball and butterfly valves.