1. Product Overview
TheA4VSO180EO2is ahigh-performance axial piston variable displacement pumpmanufactured byBosch Rexroth, a global leader in hydraulic technology. It belongs to theA4VSO series, designed foropen-circuit hydraulic systemsand widely used in industrial applications requiring precise flow control and high efficiency.
2. Key Technical Specifications
• Model: A4VSO180EO2
• Displacement: 180 cm³/rev (180 mL per revolution)
• Rated Pressure: 35 MPa (350 bar)
• Peak Pressure: 45 MPa (450 bar)
• Maximum Speed: 1,800 rpm (adjustable based on application)
• Weight: Approximately102–103 kg
• Control Method:
• Electro-hydraulic control (EO): Allows precise flow regulation via electronic signals.
• Other options include pressure control (DR), flow control (FR), and load-sensing control (LR).
• Pump Type: Axial piston variable displacement pump (swash-plate design).
• Mounting: Flange or foot mounting options available.
• Port Positions: Configurable for flexible system layout.
3. Structural Features
• Swash-Plate Design:
• Enablesstepless variable displacementby adjusting the swash-plate angle, optimizing energy efficiency.
• Providesstable flow outputeven under varying loads.
• High-Strength Materials:
• Pump body made ofcast iron or alloy steelfor durability under high pressure.
• Precision-ground pistons and cylinder blockensure minimal wear and long service life.
• Low Noise & Vibration:
• Optimized flow path design reduces turbulence, lowering operational noise.
• Built-in damping mechanisms minimize vibration.
• Modular Design:
• Allows easy integration with additional components (e.g., control valves, sensors).
• Simplifies maintenance and replacement of parts.
• Advanced Control Options:
• Supportselectro-hydraulic proportional control (EO)for precise flow adjustment.
• Compatible withpressure compensators, load-sensing controls, and remote pressure regulation.
4. Performance Advantages
• High Efficiency:
• Variable displacement design reduces energy consumption by matching flow to demand.
• Minimal internal leakage ensuresvolumetric efficiency > 95%.
• Reliable Operation:
• Robust construction withstands harsh industrial environments (e.g., high temperatures, contaminants).
• Built-inpressure relief valveprotects against overloading.
• Long Service Life:
• High-quality bearings and surface treatments extend component lifespan.
• Low-friction design reduces heat generation and wear.
• Compact & Lightweight:
• High power-to-weight ratio saves space in hydraulic systems.
• Low Maintenance:
• Modular design allows quick replacement of wear parts (e.g., seals, bearings).
5. Application Fields
TheA4VSO180EO2is widely used in:
• Machine Tools: CNC machines, presses, and injection molding machines.
• Metallurgy: Steel rolling mills, forging presses, and non-ferrous metal processing.
• Mining: Excavators, loaders, and drilling equipment.
• Construction: Concrete pumps, pavers, and hydraulic cranes.
• Marine & Offshore: Ship propulsion systems and deck machinery.
• Energy: Wind turbine pitch control and hydroelectric power plants.
• Other Industries: Paper mills, rubber machinery, and test benches.
