Guizhou Yuanmiao Automation Equipment Co., Ltd.: 1Yr

Anshun, Guizhou, China; Main products: ABB Triconex Foxboro LAM, Bentley Motorola Schneider, Kollmorgen HIMA ALSTOM, Reliance GE HONEYWELL NI、ICS

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Home > Products > WOODWARD > WOODWARD 8577 - 825 Actuator

WOODWARD 8577 - 825 Actuator

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Product Details

Certification	Other	Function	Other
Application	Other	Brand	Other
Number of Stator	Other	Number of Poles	Other
Casing Protection	Other	Starting Mode	Other
Speed	Other

Product Description

WOODWARD 8577 - 825 Actuator

I. Working Principle
The core of Woodward actuators is to convert electrical signals (such as voltage, current) or hydraulic/pneumatic signals into linear or rotational mechanical displacement, thereby adjusting the opening of components like valves, throttles, and fuel nozzles, and ultimately achieving parameter control of equipment such as engines and turbines. The specific process is as follows:

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.

II. Application Fields
Woodward actuators are widely used in scenarios requiring precise control of power output or fluid flow due to their high reliability and adaptability:

Engine Field:

Adjustment of fuel injection quantity for diesel, gasoline, and gas engines (controlling the opening of throttles and fuel injectors) to achieve stable speed or load matching.
Control of propulsion systems for marine and locomotive engines, adjusting power output according to navigation needs.

Turbine Machinery Field:

Adjustment of fuel valves and guide vanes for gas turbines and steam turbines to control air intake or fuel flow, maintaining stable turbine speed and power.
Load adjustment of industrial turbines to adapt to fluctuations in the power grid or industrial loads.

Energy and Power Field:

Speed control of generator sets (diesel and gas generator sets) to ensure stable output voltage and frequency.
Adjustment of fuel supply for biomass energy and waste incineration power generation equipment to optimize combustion efficiency.

Industrial Automation Field:

Flow control of compressors, pumps, and other equipment, such as precise adjustment of medium flow in petrochemical pipelines.
Control of dampers and fuel valves in industrial boilers to maximize combustion efficiency and meet emission standards.

III. Functional Characteristics
Woodward actuators are characterized by "high precision, high reliability, and strong adaptability", including:

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.

Company Profile

Guizhou Yuanmiao Automation Equipment Co., Ltd.

Main products: Covering globally renowned brands: Bently Nevada, Triconex, Woodward, Foxboro, Westinghouse, Reliance, Schneider Modicon, ABB, AB (Allen-Bradley), Motorola, GE Fanuc, Yaskawa, Bosch Rexroth Rexroth, ACSO, YOKOGAWA, Rexroth, NI, ICS Triplex, Kollmorgen, Mitsubishi, MOOG, Emerson, B&R B&r, SST, ALSTOM, KUKA EPRO, LAM HIMA dark Horse, HONEYWELL, prosoft, AMAT, SIEMENS, etc. The product categories include: DCS system accessories, robot system spare parts, large servo system spare parts, etc., which are widely used in power, chemical, metallurgy, intelligent manufacturing and other fields.

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Guizhou Yuanmiao Automation Equipment Co., Ltd.: Contact nameyezi
Chat Now; AddressXixiu District, Anshun, Guizhou

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Product Categories

ABB	Bently Nevada	TRICONEX	GE
ICS Triplex	HIMA	MOTOROLA	WOODWARD
HONEYWELL	Foxboro	Schneider Modicon	YOKOGAWA
EPRO	MOOG	Westinghouse	Reliance
Emerson	B&R	ALSTOM	LAM
KONGSBERG	FANUC	National Instruments	Kollmorgen
Other Brands	Rexroth	PROSOFT	Vibro-meter
Allen-Bradley	ZYGO	Praxis	METSO
Basler Electric	A-B	XYCOM	AMAT
TOSHIBA	CCC

WOODWARD 8577 - 825 Actuator

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