Shaoyang Victor Hydraulic Co., Ltd.
Add to Cart
High-Efficiency A2FM Rexroth Piston Motor for Construction Machinery 180cm³ Cast Steel
Features:
1. Bent-axis design featuring axial tapered pistons
2. Fixed displacement motor configuration for hydrostatic drives
3. Compatible with both open and closed hydraulic circuits
4. Designed for mobile applications
5. Engineered for stationary applications
6. Output speed directly proportional to motor flow
7. Adjustable output speed via displacement settings
8. Torque output increases with pressure differential
9. High power density
10. Compact design for space-saving integration
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 | 1 Year |
| Transport Package | Standard Export Wooden Case |
| Structure | Axial Plunger motor |
| Type | Mobile machinery piston motor |
| Production Capacity | 2000-3000 pcs/month |
| HS Code | 8412299090 |
| Application | Mobile crane, Combine Harvester, Concrete mixer truck |
| Maximum speed | 3600rpm |
| Delivery Time | 15-30 Days after Payment |
| Displacemen | 45-180cc |
Applications:
Competitive Advantage:
1. The A2FM motor offers unmatched performance due to its advanced bent‐axis design, high power density, and compact construction, which ensures superior efficiency and reliability when paired with a piston motor, delivering rapid response, precise control, and optimal energy conversion for diverse hydraulic applications in demanding industrial environments, ensuring continuous excellence.
2. The A2FM motor delivers exceptional durability and performance with its robust bent‐axis design, ensuring reliable operation and minimal maintenance requirements, while paired with an axial piston motorit optimizes hydraulic flow, reduces energy losses, and provides superior torque output for demanding industrial applications, promoting enhanced productivity and operational longevity remarkably.
3. The bent-axis axial piston motor utilizes 40° angular alignment to optimize torque transmission paths, with rigid piston-driveshaft connections maintaining 95% mechanical efficiency under 450bar peak pressure, ideal for heavy-duty start-stop applications like concrete mixer drum drives.
The Analysis For Rexroth A2FM Fixed Displacemen Piston Motor Common Breakdown:
1. During prolonged operation, the A2FM motor may suffer internal leakage due to contaminated hydraulic oil, aging seals, or improper installation, resulting in unstable pressure, reduced power output, and increased temperature. The fault often causes abnormal vibration and noise, requiring inspection of the hydraulic motor, cleaning, and seal replacement to restore stability.
2. Under heavy load or prolonged use, the A2FM motor may experience overheating that accelerates internal wear and oil degradation, resulting in performance loss and system failure. It is critical to inspect the cooling system, improve ventilation, and maintain an axial piston motor with proper hydraulic oil to control operating temperatures.
3. Spring preload reduction or foreign object jamming in variable mechanism leads to swashplate angle deviation. Symptoms include >±5% torque fluctuation under constant pressure. Solution involves disassembling piston chamber, replacing 50μm orifice filters, and recalibrating neutral sensor.