Shaoyang Victor Hydraulic Co., Ltd.
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Harvester Axial Piston Motor Unit for Drilling Rigs 250cm³ 400 Bar Pressure
Features:
1. Output speed is directly proportional to pump flow and motor displacement for precise control.
2. Torque output increases with the pressure differential, addressing high load requirements.
3. A wide range of finely graded sizes enables seamless integration with drive cases.
4. High power density design maximizes efficient hydraulic energy conversion.
5. Compact design minimizes overall dimensions and weight, saving valuable space.
6. High total system efficiency with low energy consumption
7. Superior starting performance with quick response
8. Economical design with cost-effective manufacturing
9. One-piece tapered piston construction for enhanced stability
10. Integrated piston rings for reliable, long-term sealing
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:
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Applications:
Competitive Advantage:
1. Our advanced hydraulic motor delivers exceptional efficiency and reliability by integrating innovative design, precise control, and robust construction, ensuring consistent performance under heavy loads while minimizing maintenance downtime, optimizing energy consumption, and providing seamless integration with automated systems for global industrial applications and sustainable operational excellence; this piston motor stands as a benchmark for precision and durability worldwide absolutely unmatched.
2. Engineered with precision and advanced technology, our axial piston motor offers outstanding dynamic performance and superior energy efficiency, delivering consistent high torque and smooth operation in diverse industrial settings while reducing operational costs, enhancing process stability, and supporting seamless integration with modern control systems for optimized productivity and reliability in challenging environments across global markets, ensuring performance excellence always worldwide.
3. Featuring innovative design and rugged construction, our piston motor is designed to deliver unmatched durability and precise force control under extreme operating conditions, providing optimal performance and efficiency in high-demand industrial applications while reducing downtime, maintenance efforts, and energy consumption, making it the ideal choice for maximizing production output and achieving competitive advantages globally, ensuring superior results every single time consistently.
The Analysis For Rexroth A2FM Fixed Displacemen Piston Motor Common Breakdown:
1. During operation, if the hydraulic fluid becomes contaminated with impurities or moisture, it may cause increased internal friction and accelerated seal wear, resulting in pressure fluctuations and abnormal temperature rise. This fault can reduce system efficiency and control accuracy. Timely oil replacement and filter inspection are properly essential to maintain optimal functionality of the hydraulic motor.
2. If seals become aged or damaged, they may cause hydraulic fluid leakage and a drop in system pressure, adversely affecting motor performance. This leakage issue leads to inadequate lubrication, increased component wear, and overheating risk. Timely inspection, seal replacement, and proper installation adjustment are crucial measures to resolve this fault in the piston motor for reliability.
3. If the motor experiences abnormal high temperatures during operation, it may result from inadequate cooling, excessive load, or insufficient lubrication. Elevated temperature accelerates component aging, seal deformation, and fluid degradation, adversely affecting performance and lifespan. It is advisable to inspect the cooling system, load matching, and oil condition to ensure stable operation of the axial piston motor for safety.