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Introduction to Electro-Hydraulic Actuators
Electro-Hydraulic Actuators are a new type of power actuator that can replace hydraulic or pneumatic cylinders in industries such as mining, steel manufacturing, machinery production, lifting and transportation, tunnel excavation, marine facilities, signaling systems, the chemical industry, rock and soil engineering, and the petroleum industry. For instance, they can be used as power-driven devices in applications like mine car stoppers, safety gates, and swing platforms; in blast furnace operation cylinders during steelmaking; in lifting and transporting equipment for material handling; and even in railway switch machines.
Electro-Hydraulic Actuators: Key Features:
1. The Electro-Hydraulic Actuator itself integrates the hydraulic station and the power actuator into a single unit, eliminating the cumbersome installation of individual components and pipelines—from the hydraulic station to the hydraulic cylinder, or from the air compressor to the pneumatic cylinder. Externally, it only requires cable connections, making installation quick and effortless.
2. Compared to electric push rods, it offers advantages such as smooth, shock-free operation, high thrust, adjustable power and speed, minimal maintenance requirements, and an extended service life.
3. The successful development of Electro-Hydraulic Actuators has provided favorable conditions for technological upgrades across various industries, enabling the automation and semi-automation of mechanical equipment and systems.
4. Thrust, tensile force, and reciprocating speed can be continuously adjusted.
5. In the Electro-Hydraulic Actuators, all components and hydraulic fluid are contained within a sealed steel cylinder, which helps extend the service life of the machine and effectively prevents fluid contamination, keeping the environment clean.
6. Equipped with ED-series and YT-series standard motors, suitable for both underground and surface use.
7. During maintenance, the entire unit can be replaced as a whole, which is especially beneficial when this power unit is used underground—it significantly improves working conditions and reduces equipment maintenance time. Meanwhile, for applications involving fewer hydraulic cylinders, widely dispersed layouts, or locations where equipping with a pump station or air compressor would not be economically viable, electric-hydraulic actuators are particularly well-suited.
In summary, the seven points outlined above represent the key features of Electro-Hydraulic Actuators. The application scope of these actuators is also briefly introduced in this article. We hope that through this introduction, more people will gain a better understanding of the usage range and distinctive characteristics of Electro-Hydraulic Actuators, enabling them to make more informed choices when selecting the products they need.
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Introduction to Electro-Hydraulic Actuators
Electro-Hydraulic Actuators are a new type of power actuator that can replace hydraulic or pneumatic cylinders in industries such as mining, the steel industry, machinery manufacturing, lifting and transportation, tunnel excavation, marine facilities, signaling systems, the chemical industry, rock and soil engineering, and the petroleum industry. For instance, they can be used as power-driven devices in applications like mine car stoppers, safety gates, and swing platforms; in blast furnace operation cylinders during steelmaking; in lifting and transporting equipment for material handling; and even in railway switch machines.
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The general working principle of the braking system
Electro-Hydraulic Actuators are a new type of power actuator that can replace hydraulic or pneumatic cylinders in industries such as mining, steel manufacturing, machinery production, lifting and transportation, tunnel excavation, marine facilities, signaling systems, the chemical industry, rock and soil engineering, and the petroleum sector. For instance, they can be used as power-driven devices in applications like mine car stoppers, safety gates, and swing platforms; in blast furnace operation cylinders during steelmaking; in lifting and transport systems for material handling; and even in railway switch machines.
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① Friction brakes: These rely on the friction force between the braking component and the moving part to achieve braking. ② Non-friction brakes: The main structural types of these brakes include magnetic powder brakes (which use the shear force generated by magnetizing magnetic powder for braking), magnetic eddy current brakes (whose braking torque can be adjusted by regulating the excitation current), and water eddy current brakes, among others.
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