Noun
One who actuates, or puts into action.
Source: Webster's dictionaryA low pressure mix head with calibration chamber installed, showing material supply and air actuator lines. Source: Internet
An actuator arm (or access arm) moves the heads on an arc (roughly radially) across the platters as they spin, allowing each head to access almost the entire surface of the platter as it spins. Source: Internet
An actuator is a mechanism or device to automatically or remotely control a valve from outside the body. Source: Internet
As a result of having an actuator controlled precisely with air pressure via a servosystem, the movement is very fluid and there is very little noise. Source: Internet
An actuator will stroke the valve depending on its input and set-up, allowing the valve to be positioned accurately, and allowing control over a variety of requirements. Source: Internet
All the read/write arms of a hard disk are fused together in the actuator motor. Source: Internet