Shaoyang Victor Hydraulic Co., Ltd.
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A10VSO Rexroth Piston Pump 280 Bar Cast Iron for Mobile Machinery
Features:
1. Variable pump with axial piston rotary group in swash.plate design for hydrostatic drives in open circuit.
2. The flow is proportional to the drive speed and displacement.
3. The flow can be infinitely varied by adjusting the swashplate angle.
4. 2 drain ports
5. Excellent suction performance
6. Low noise level
7. Long service life
8. Favorable power/weight ratio
9. Versatile controller range
10. Short control time
11. The through drive is suitable for adding gear pumps and axial piston pumps up to the same size, i.e., 100% through drive.
Technical data:
| Size | NG | 28 | 45 | 71 | 88 | 100 | 140 | ||
| Displacement, geometric, per revolution | Vg max | cm3 | 28 | 45 | 71 | 88 | 100 | 140 | |
| Rotational speed maximum | at Vg max | nnom | rpm | 3000 | 2600 | 2200 | 2100 | 2000 | 1800 |
| at Vg <Vg max | nmax perm | rpm | 3600 | 3100 | 2600 | 2500 | 2400 | 2100 | |
| Flow at Δp = 280 bar | at nnom and Vg max | qv max | l/min | 84 | 117 | 156 | 185 | 200 | 252 |
| at nE= 1500 rpm and Vg max | qvE max | l/min | 42 | 68 | 107 | 132 | 150 | 210 | |
| Power | at nnom, Vg max | Pmax | kW | 39 | 55 | 73 | 86 | 93 | 118 |
| at nE= 1500 rpm and Vg max | PE max | kW | 20 | 32 | 50 | 62 | 70 | 98 | |
| Torque at Vg max and | Δp = 280 bar | Tmax | Nm | 125 | 200 | 316 | 392 | 445 | 623 |
| Δp = 100 bar | T | Nm | 45 | 72 | 113 | 140 | 159 | 223 | |
| Rotary stiffness of drive shaft | S | c | Nm/rad | 22317 | 37500 | 71884 | 71884 | 121142 | 169437 |
| R | c | Nm/rad | 26360 | 41025 | 76545 | 76545 | |||
| U | c | Nm/rad | 16695 | 30077 | 52779 | 52779 | 91093 | ||
| W | c | Nm/rad | 19898 | 34463 | 57460 | 57460 | 101847 | 165594 | |
| Moment of inertia for rotary group | JTW | kgm2 | 0.0017 | 0.0033 | 0.0083 | 0.0083 | 0.0167 | 0.0242 | |
| Maximum angular acceleration | α | rad/s² | 5500 | 4000 | 2900 | 2600 | 2400 | 2000 | |
| Case volume | V | l | 0.7 | 1 | 1.6 | 1.6 | 2.2 | 3 | |
| Weight without through drive (approx.) | m | kg | 18 | 23.5 | 35.2 | 35.2 | 49.5 | 65.4 | |
| Weight with through drive (approx.) | m | kg | 19.3 | 25.1 | 38 | 38 | 55.4 | 74.4 | |
Specifications:
| Warranty | 1 Year |
| Specification | SY-A10V(S)O |
| Place of Origin | China |
| Type | Rexroth axial piston pump |
| Color | Available any color |
| HS Code | 8413503190 |
| Application | excavator, loader, construction machinery |
| Constant pressure | 280 bar |
| Maximum torque | 623 Nm |
| Displacement | 28-140cc |
Applications:
Competitive Advantage:
1.Combining state-of-the-art materials with precision manufacturing, this hydraulic pump is engineered to withstand extreme operating conditions while delivering stable performance, superior flow accuracy, and enhanced durability, making it an ideal choice for industries that require reliable, cost-effective, and high-performance solutions to meet complex hydraulic system challenges every single day reliably.
2. Designed to optimize operational efficiency, this piston pump integrates advanced control algorithms with robust hydraulic design, providing exceptional performance, reduced energy losses, and prolonged service intervals, which makes it a superior solution for demanding applications where precise flow modulation, consistent output, and reliable long-term operation are critical for success consistently.
3. Featuring a compact design and robust build quality, this axial piston pump offers versatile integration and dynamic performance, enabling efficient energy conversion, precise pressure modulation, and exceptional reliability in challenging environments, thereby supporting improved productivity and lower maintenance requirements for a broad spectrum of industrial applications every single day reliably.
4. Engineered with precision machining and innovative design, this hydraulic pump delivers consistent flow performance, robust pressure control, and efficient energy conversion, making it an ideal solution for industrial automation, mobile machinery, and high-demand applications that require reliable operation and superior performance under varied load conditions, ensuring optimal efficiency daily consistently.
The Analysis For Rexroth A10V(S)O Axial Piston Pump Common Breakdown:
1. Cavitation occurs when the hydraulic pump operates with insufficient inlet pressure or when the oil temperature is high, causing vapor bubble formation that collapses against internal surfaces, resulting in pitting and erosion; therefore, ensuring proper suction conditions, maintaining optimal oil temperature, and using an axial piston pump with robust design features are critical to mitigate cavitation risks and preserve performance.
2. Bearing failure in the hydraulic pump can occur due to inadequate lubrication, overload conditions, or contamination, resulting in increased friction, noise, and eventual breakdown; regular maintenance, proper lubricant selection, and load monitoring are essential to prevent premature bearing wear and ensure that the piston pump operates smoothly under varying operational conditions while maintaining optimal system efficiency and extend lifespan overall.
3. Seal leakage in the hydraulic pump often results from seal wear, improper installation, or material degradation, leading to oil loss, reduced system pressure, and potential contamination; therefore, it is vital to use high-quality seals, ensure correct installation procedures, and regularly inspect the seal integrity to prevent leakage issues and maintain the axial piston pump’s overall performance and operational reliability consistently.