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A2FM90
Rexroth
Rexroth A2FM90 | High-Torque Axial Piston Unit for Heavy-Duty Applications
The Rexroth A2FM90 is a robust, fixed-displacement axial piston unit engineered to deliver high torque and reliable power in the most demanding closed-circuit hydraulic systems. Representing the upper range of the proven A2FM series, this unit is designed for heavy-duty mobile and industrial machinery where substantial power, durability, and smooth operation under high load are critical for productivity.
| Feature | Specification / Description |
|---|---|
| Model Series | Rexroth A2FM90 (Fixed Displacement) |
| Type | Swashplate Design, Axial Piston Unit (Motor/Pump) |
| Nominal Displacement | 90 cm³/rev |
| Maximum Operating Pressure | Up to 450 bar (Continuous) / 500 bar (Peak) |
| Speed Range | Optimized for high-torque, medium-to-high speed operation |
| Key Application | Heavy-duty closed-loop drives, winches, main travel drives |
The A2FM90 is engineered as a primary drive component for equipment requiring high power and torque in a reliable package.
Heavy Mobile Machinery: Ideally suited for the main travel or swing drives of large excavators, heavy wheel loaders, bulldozers, forestry harvesters, and mining equipment.
Industrial & Marine Applications: Provides powerful and controllable rotary drive for large industrial winches, crane slewing mechanisms, ship deck machinery, and heavy-duty conveyor systems.
Specialized High-Power Systems: Used in test benches and applications where secondary control is implemented for superior energy efficiency and dynamic response.
1. High-Efficiency Swashplate Design for Demanding Cycles
The unit utilizes an optimized swashplate design with precision-balanced pistons and valve plates. This engineering ensures minimal internal leakage, high volumetric and mechanical efficiency, and exceptionally smooth operation, which is crucial for the high-power, continuous-duty cycles it is designed for.
2. Robust Construction for Extreme Loads
Built with a reinforced housing and a heavy-duty rotating group, the A2FM90 is constructed to withstand extreme pressure, high continuous torque, and the shock loads inherent in mining, construction, and heavy material handling applications. This translates directly to exceptional durability and extended service intervals.
3. Advanced Bearing Concept for Maximum Load Capacity
A specially designed bearing system accommodates the high radial and axial forces generated by the large displacement and direct coupling to heavy loads. This ensures stable, reliable performance and protects the unit's internal components, maximizing its operational lifespan.
4. Seamless Integration into Complex Systems
As a cornerstone of high-power hydrostatic drives, the A2FM90 is designed for seamless integration. Its compatibility with Rexroth's comprehensive range of controls and system components allows for the creation of highly efficient, intelligent, and responsive drive solutions tailored to specific machine requirements.
Rexroth A2FM90 | High-Torque Axial Piston Unit for Heavy-Duty Applications
The Rexroth A2FM90 is a robust, fixed-displacement axial piston unit engineered to deliver high torque and reliable power in the most demanding closed-circuit hydraulic systems. Representing the upper range of the proven A2FM series, this unit is designed for heavy-duty mobile and industrial machinery where substantial power, durability, and smooth operation under high load are critical for productivity.
| Feature | Specification / Description |
|---|---|
| Model Series | Rexroth A2FM90 (Fixed Displacement) |
| Type | Swashplate Design, Axial Piston Unit (Motor/Pump) |
| Nominal Displacement | 90 cm³/rev |
| Maximum Operating Pressure | Up to 450 bar (Continuous) / 500 bar (Peak) |
| Speed Range | Optimized for high-torque, medium-to-high speed operation |
| Key Application | Heavy-duty closed-loop drives, winches, main travel drives |
The A2FM90 is engineered as a primary drive component for equipment requiring high power and torque in a reliable package.
Heavy Mobile Machinery: Ideally suited for the main travel or swing drives of large excavators, heavy wheel loaders, bulldozers, forestry harvesters, and mining equipment.
Industrial & Marine Applications: Provides powerful and controllable rotary drive for large industrial winches, crane slewing mechanisms, ship deck machinery, and heavy-duty conveyor systems.
Specialized High-Power Systems: Used in test benches and applications where secondary control is implemented for superior energy efficiency and dynamic response.
1. High-Efficiency Swashplate Design for Demanding Cycles
The unit utilizes an optimized swashplate design with precision-balanced pistons and valve plates. This engineering ensures minimal internal leakage, high volumetric and mechanical efficiency, and exceptionally smooth operation, which is crucial for the high-power, continuous-duty cycles it is designed for.
2. Robust Construction for Extreme Loads
Built with a reinforced housing and a heavy-duty rotating group, the A2FM90 is constructed to withstand extreme pressure, high continuous torque, and the shock loads inherent in mining, construction, and heavy material handling applications. This translates directly to exceptional durability and extended service intervals.
3. Advanced Bearing Concept for Maximum Load Capacity
A specially designed bearing system accommodates the high radial and axial forces generated by the large displacement and direct coupling to heavy loads. This ensures stable, reliable performance and protects the unit's internal components, maximizing its operational lifespan.
4. Seamless Integration into Complex Systems
As a cornerstone of high-power hydrostatic drives, the A2FM90 is designed for seamless integration. Its compatibility with Rexroth's comprehensive range of controls and system components allows for the creation of highly efficient, intelligent, and responsive drive solutions tailored to specific machine requirements.