Rexroth Axial Piston Motor A2FM56 Cast Iron Housing 5000rpm for Mobile Machinery
Features:
1. Axial tapered piston rotary group with bent-axis design
2. Suitable for hydrostatic drives in open and closed circuits
3. Output speed proportional to motor flow and motor displacement
4. Torque increases with pressure differential and displacement
5. Finely graduated displacement sizes for drive adaptation
6. High power density (up to 45MPa pressure capacity)
7. Compact structure design (weight from 10kg)
8. Total efficiency >90% with high volumetric efficiency
9. Starting torque efficiency >85%
10. Economical cost-optimized design
Technical data:
| Size | NG | 45 | 56 | 63 | 80 | 90 | 107 | 125 | 160 | 180 |
| Displacement geometric, per revolution | Vg | cm3 | 45.6 | 56.1 | 63 | 80.4 | 90 | 106.7 | 125 | 160.4 | 180 |
| Speed maximum | nnom | rpm | 5600 | 5000 | 5000 | 4500 | 4500 | 4000 | 4000 | 3600 | 3600 |
| nmax | rpm | 6200 | 5500 | 5500 | 5000 | 5000 | 4400 | 4400 | 4000 | 4000 |
| Input flow at nnom and Vg | qV | L/min | 255 | 281 | 315 | 362 | 405 | 427 | 500 | 577 | 648 |
Torque
at Vg and | Δp = 350 bar | T | Nm | 254 | 313 | 351 | 448 | 501 | 594 | 696 | 893 | 1003 |
| Δp = 400 bar | T | Nm | 290 | 357 | 401 | 512 | 573 | 679 | 796 | 1021 | 1146 |
| Rotary stiffness | c | kNm/rad | 4.18 | 5.94 | 6.25 | 8.73 | 9.14 | 11.2 | 11.9 | 17.4 | 18.2 |
| Moment of inertia for rotary group | JGR | kgm2 | 0.0024 | 0.0042 | 0.0042 | 0.0072 | 0.0072 | 0.0116 | 0.0116 | 0.022 | 0.022 |
| Maximum angular acceleration | a | rad/s2 | 14600 | 7500 | 7500 | 6000 | 6000 | 4500 | 4500 | 3500 | 3500 |
| Case volume | V | L | 0.33 | 0.45 | 0.45 | 0.55 | 0.55 | 0.8 | 0.8 | 1.1 | 1.1 |
| Mass (approx.) | m | kg | 13.5 | 18 | 18 | 23 | 23 | 32 | 32 | 45 | 45 |
Specifications:
| Warranty | 12 months |
| Transport Package | Standard Export Wooden Case |
| Certification | ISO9001: 2000 |
| Type | Construction machinery piston motor |
| Production Capacity | 2000-3000 pcs/month |
| HS Code | 8412299090 |
| Application | Aerial work platform, road roller, Crawler Crane |
| Maximum torque | 1003Nm |
| Delivery Time | 15-30 Days after Payment |
| Displacement | 45-180cc |
Applications:
1. In port handling equipment, the A2FM motor ensures automated and precise control for cargo loading and unloading operations. Combined with a hydraulic motor, it offers efficient flow management and stable output over extended periods of continuous operation. Its advanced bent‐axis design and compact construction minimize downtime and reduce maintenance costs, while enhancing dynamic response. This robust hydraulic system significantly improves operational efficiency and safety, making it an ideal choice for modern port logistics, ensuring unparalleled performance and reliable energy transmission.
2. In port handling equipment, the A2FM motor is essential for achieving smooth and efficient cargo operations. Paired with a piston motor, it delivers rapid start-up and consistent hydraulic power, even during prolonged, high-frequency tasks. Its advanced bent‐axis design and compact structure ensure precise control and reduced energy consumption, significantly boosting operational safety and throughput. This integrated hydraulic solution enhances automation in port logistics, making it a reliable choice for modern cargo handling systems, ensuring exceptional overall efficiency and unmatched continuous reliability.
3. In packaging line labeling units, the motor's <75dB operation meets GMP standards, with chemical-resistant pistons enduring acid/alkaline cleaners. DIN-standard ports enable hydraulic circuit reconfiguration during mold changes in 15 minutes, boosting daily throughput to 120,000 units.
Competitive Advantage:
1. The A2FM motor incorporates advanced thermal management features that efficiently dissipate heat and maintain optimal operating temperatures, and when used with a hydraulic motor, it prevents overheating during prolonged operation, ensuring continuous performance, enhanced safety, and reliable service even under the most demanding industrial conditions, delivering outstanding efficiency always remarkably.
2. The A2FM motor is engineered for extreme reliability in harsh environments, with robust construction and advanced materials that withstand severe operating conditions, and when integrated with a piston motor, it maintains stable performance under fluctuating pressures, ensuring continuous operation and minimal downtime even in the most challenging industrial settings, remarkably.
3. Submerged bearing design certified to MIL-STD-810G allows 4-hour continuous submersion at 3m depth, meeting amphibious vehicle turret drive requirements for all-weather military operations.
The Analysis For Rexroth A2FM Fixed Displacemen Piston Motor Common Breakdown:
1. Persistent vibration in the A2FM motor can accelerate wear of internal components, loosen fasteners, and induce structural fatigue, thereby reducing overall efficiency. Vibration issues are often caused by improper installation or external interference. A detailed inspection of the hydraulic motor components, along with vibration damping measures, is recommended to protect the system.
2. Intrusion of foreign particles or moisture into the hydraulic oil can accelerate internal wear, damage seals, and cause corrosion in the A2FM motor, reducing system efficiency. To prevent contamination, regular oil replacement, improved filtration, and inspection of the piston motor are essential to maintain a clean and efficient hydraulic system.
3. Misaligned Coupling Overheats Bearings: >0.1mm/100mm radial misalignment causes >15℃/h bearing temp rise. Realign with laser to <0.05mm and monitor temp gradient.
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