An actuator is a component that converts electrical, hydraulic, or pneumatic energy into linear or rotary mechanical motion to move or control a specific mechanism, such as a valve, clamp, or robot joint. In manufacturing localization, the term appears in bills of materials, maintenance manuals, functional safety descriptions, and industrial equipment specifications where motion components are listed, diagnosed, and adjusted.
Actuator appears in translated BOM lines, pneumatic and hydraulic schematics, valve labels, and functional safety documents. Translators encounter it when localizing maintenance steps that describe removing, replacing, or testing actuators. It is often paired with sensors and controllers, so the term must stay distinct from the whole drive or motor assembly.
A frequent error is translating actuator as 'cylinder' or 'motor' based on one type, even when the source covers electric, hydraulic, and pneumatic variants. Another mistake is treating it as a complete drive system rather than the motion-producing component. These errors can distort spare parts identification and maintenance instructions.
The EU Machinery Directive requires documentation in the language of the destination market. Safety-related terms must map exactly to the wording of the governing standard.
Angel Translation locks terms like this into a project terminology base before expert review begins, so the same source term resolves to the same target term across every document in a submission — and stays consistent in the next revision. See the 8-step AI + expert workflow.
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