WOODWARD 8577 - 825 Actuator

Signal Reception: Receive electrical signals (commonly 4-20mA current signals or 0-10V voltage signals) from controllers (such as governors, PLCs). Some models support hydraulic/pneumatic signals.

Energy Conversion: Convert input energy into mechanical power through internal motors (electric actuators), hydraulic pumps (hydraulic actuators), or cylinders (pneumatic actuators). For example, electric actuators drive gears or lead screws through motors to convert rotational motion into linear thrust; hydraulic actuators push pistons to move through the pressure difference of hydraulic oil.

Feedback and Regulation: Built-in position sensors (such as potentiometers, encoders) monitor the displacement status of the actuator in real-time and feed the signal back to the controller, forming a closed-loop control to ensure that the output displacement is consistent with the target signal, achieving high-precision regulation.

High-Precision Regulation: Through closed-loop feedback control, the displacement accuracy can reach within ±0.5%, meeting the strict requirements of engines, turbines, and other equipment for speed and flow.

Wide Compatibility: Support multiple input signals (electrical, hydraulic, pneumatic) and can be adapted to controllers and sensors of different brands, suitable for complex industrial environments.

Anti-Interference and Durability: The shell adopts waterproof, dustproof, and anti-vibration designs (some models meet IP65 protection level), and can work stably in high-temperature, high-humidity, and dusty environments (the operating temperature range is usually -40℃~85℃).

Rapid Response Capability: The response time from receiving signals to completing the target displacement is short (millisecond level), which can quickly respond to sudden changes in load or working conditions and avoid equipment fluctuations.

Safety Protection Functions: Some models have built-in overload protection, limit protection (to prevent overtravel damage), and fault self-diagnosis (such as disconnection and sensor fault alarms) to improve system safety.

Modular Design: Support on-site debugging and maintenance, and some components can be replaced independently, reducing operation and maintenance costs.