Shaoyang Victor Hydraulic Co., Ltd.
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Construction Machinery Piston Motor for Mobile Cranes 107cm³ 400 Bar Rating
Features:
1. Overall high efficiency architecture reduces energy loss and boosts transmission performance.
2. Excellent starting characteristics enable smooth, shock-free engine initiations.
3. Economically optimized design minimizes manufacturing costs to enhance overall ROI.
4. One-piece tapered piston with integrated piston rings provides superior sealing integrity.
5. Premium materials and precision machining extend the operational life of the motor.
6. Designed for high-pressure conditions to maintain performance under extreme loads.
7. Optimized construction and materials deliver excellent vibration damping performance.
8. High sealing integrity minimizes internal fluid leakage, reinforcing system reliability.
9. Rapid response design enables flexible control and adapts to instantaneous load changes.
10. Superior dynamic performance ensures stability and quick response under fluctuating loads.a
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:
Competitive Advantage:
1. The A2FM motor is fully compatible with modern digital control systems, allowing for precise monitoring and remote adjustments, and when combined with a piston motor, it facilitates automated tuning and real‐time performance tracking, making it an ideal solution for smart industrial systems that demand advanced control capabilities, ensuring unparalleled automation.
2. The A2FM motor incorporates advanced safety features that protect both the equipment and operators, and when used with a hydraulic motor, it ensures secure pressure regulation and rapid shutdown in emergency situations, thereby reducing risk and safeguarding industrial processes through reliable, high‐performance hydraulic control, guaranteeing utmost operational safety always consistently.
3. IP69K protection with modular seals allows 5,000-hour operation in 30% abrasive drilling fluid. Seal replacement time reduced to 45 minutes for downhole pump drives.
The Analysis For Rexroth A2FM Fixed Displacemen Piston Motor Common Breakdown:
1. A malfunction in the cooling system can cause the A2FM motor’s temperature to rise abnormally, adversely affecting component stability and reducing service life. Insufficient cooling may be due to clogged radiators or faulty fans. Prompt inspection of cooling components and maintenance of the axial piston motor’s cooling interfaces are crucial to restore proper heat dissipation.
2. Failure of sensor feedback in the A2FM motor may lead to inaccurate monitoring of pressure, flow, and temperature, impairing automatic adjustments and system safety. Such issues are usually caused by circuit faults or physical damage. Thorough testing of the control module and evaluation of the hydraulic motor’s sensor data are essential to restore proper feedback.
3.Thermal Deformation of Port Plate Increases Internal Leakage: ＞5μm flatness deviation under 420bar shock pressure reduces efficiency to 82%. Use 42CrMo4 steel with enhanced cooling.