Rexroth A10VSO Hydraulic Pump Datasheet and Technical Analysis
Overview of Rexroth A10VSO Series
The Rexroth A10VSO series is a high-performance variable axial piston pump designed for hydraulic applications in industrial and mobile machinery. Known for its durability, precision, and efficiency, theA10VSO pump is widely used in equipment such as excavators, loaders, and other heavy machinery.
Datasheet: A10VSO Series Technical Parameters
| Parameter | Specification |
|---|---|
| Displacement (cc/rev) | 18 - 140 cm³/rev (varies by model) |
| Rated Pressure | 280 bar |
| Peak Pressure | 350 bar |
| Control Options | Pressure control, flow control, load-sensing options |
| Rotational Speed | Up to 1800 RPM |
| Fluid Type | Hydraulic oil (mineral-based, HLP) |
| Operating Temperature | -20°C to +80°C |
| Mounting | SAE standard flange |
| Ports | Inlet and outlet ports with high-pressure sealing |
Technical Analysis: A10VSO Series
Displacement Range
The A10VSO pump comes in a wide range of displacements (18 to 140 cm³/rev), allowing it to accommodate varying flow and pressure demands. Smaller models (e.g., A10VSO18) are ideal for low-flow applications, while larger models (e.g., A10VSO140) are suited for heavy-duty equipment.
Pressure Capabilities
- Rated Pressure: 280 bar ensures continuous operation without compromising system reliability.
- Peak Pressure: 350 bar allows for short-term pressure spikes, ideal for demanding tasks.
Control Options
The A10VSO pump supports multiple control mechanisms, including:
- Pressure Control (DR): Maintains system pressure at a predefined level.
- Flow Control (DFR): Adjusts flow rate to meet system demands.
- Load Sensing (LS): Matches pump output to system requirements, improving energy efficiency.
Rotational Speed
High rotational speeds (up to 1800 RPM) enable the pump to deliver rapid response times, essential for applications requiring precise hydraulic control.
Fluid and Temperature Compatibility
- Operates efficiently with standard HLP hydraulic oil.
- Suitable for a wide temperature range, making it versatile across different environmental conditions.
Case Study: A10VO74 DFLR/31R
The A10VO74 DFLR/31R is a specific model in the A10VO series, optimized for mobile applications such as excavators. Below is a breakdown of its technical specifications and interpretation:
Key Specifications
| Parameter | Specification |
|---|---|
| Displacement (cc/rev) | 74 cm³/rev |
| Rated Pressure | 280 bar |
| Control Type | DFLR |
| Design Number | 31 |
| Rotation Direction | Right-hand (R) |
Parameter Analysis
- Displacement (74 cm³/rev): Indicates the pump delivers 74 cm³ of hydraulic fluid per revolution, suitable for medium-flow hydraulic systems.
- Control Type (DFLR):
- D: Pressure-related control.
- F: Flow adjustment based on system requirements.
- LR: Load sensing combined with flow control, ensuring energy-efficient operation.
- Design Number (31): Refers to the latest design iteration, incorporating updated technology for improved performance and reliability.
- Rotation Direction (R): Right-hand rotation, standard for many mobile hydraulic systems.
Applications
- Construction Machinery: Excavators, loaders, and dozers.
- Industrial Equipment: Presses, conveyors, and lifting systems.
- Agricultural Machinery: Tractors and harvesters.
Conclusion
The Rexroth A10VSO series, particularly the A10VSO74 DFLR/31R, demonstrates exceptional adaptability and performance. Its advanced control options, high-pressure capabilities, and robust design make it a preferred choice in various hydraulic applications.
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