Rexroth Piston Motor for Construction Cast Iron Material 200 cc/rev
Displacement
Features:
1. Advanced Digital Control Integration: Facilitates seamless
integration with modern control systems
2. High Dynamic Response: Capable of rapid adaptation to load
fluctuations
3. Low Leakage Design: Precision engineering minimizes energy loss
and leakage
4. Sealed Construction: Designed to prevent contamination and
leakage for stable operation
5. Energy Saving Operation: Incorporates features to optimize
energy consumption
6. Ease of Maintenance: Designed for simplified service and reduced
maintenance intervals
7. Modular Design: Facilitates easy system integration and
scalability
8. High Durability Under Harsh Conditions: Constructed to withstand
severe operating environments
9. Enhanced Reliability: Built for long-term stable and dependable
performance
10. Precision Control Optimization: Enables accurate speed and
torque regulation
Technical data:
| Size | NG | 80 | 107 | 140 | 160 | 200 | 250 |
| Geometric displacement, per revolution | Vg max | cm3 | 80 | 107 | 140 | 160 | 200 | 250 |
| Vg min | cm3 | 0 | 0 | 0 | 0 | 0 | 0 |
| Vg x | cm3 | 51 | 68 | 88 | 61 | 76 | 205 |
| Maximum rotational speed(while adhering to the maximum permissible
inlet flow) | at Vg max | nnom | rpm | 3900 | 3550 | 3250 | 3100 | 2900 | 2700 |
| at Vg < Vg x | nmax | rpm | 6150 | 5600 | 5150 | 4900 | 4600 | 3300 |
| where Vg 0 | nmax | rpm | 7350 | 6300 | 5750 | 5500 | 5100 | 3300 |
| Inlet flow | at nnom and Vg max | qv max | l/min | 312 | 380 | 455 | 496 | 580 | 675 |
| Torque | at Vg max and Δp = 400 bar | T | Nm | 509 | 681 | 891 | 1019 | 1273 | ‒ |
| at Vg max and Δp = 350 bar | T | Nm | 446 | 596 | 778 | 891 | 1114 | 1391 |
| Rotary stiffness | Vg max to Vg/2 | cmin | kNm/rad | 16 | 21 | 34 | 35 | 44 | 60 |
| Vg/2 to 0 (interpolated) | cmin | kNm/rad | 48 | 65 | 93 | 105 | 130 | 181 |
| Moment of inertia for rotary group | JTW | kgm2 | 0,008 | 0.0127 | 0.0207 | 0.0253 | 0.0353 | 0,061 |
| Maximum angular acceleration | α | rad/s² | 24000 | 19000 | 11000 | 11000 | 11000 | 10000 |
| Case volume | V | l | 1.2 | 1.5 | 1.8 | 2.4 | 2.7 | 3 |
| Weight approx. | m | kg | 36 | 46 | 61 | 62 | 78 | 100 |
Specifications:
| Trademark | SY-Hydraulic |
| Transport Package | Standard Export Wooden Case |
| Certification | ISO9001: 2000 |
| Type | Bent axis piston motor |
| Production Capacity | 1000 pcs/month |
| HS Code | 8412299090 |
| Application | excavator, loader |
| Maximum speed | 6300 rpm |
| Delivery Time | 15-30 Days after Payment |
| Displacement | 71-250cc |
Applications:
1. In the excavation and earthmoving industry, the Rexroth A6VM
variable motor plays a critical role by providing robust hydraulic
performance and precise control during digging and lifting
operations. Integrated with an axial piston pump, the system
delivers reliable torque and smooth speed transitions, ensuring
optimal performance in varied soil conditions. Its variable
displacement and advanced control capabilities support efficient
operation, reducing fuel consumption and enhancing productivity.
This innovative motor design is ideal for modern excavators and
earthmoving equipment applications, remarkably.
2. Specially designed for excavators, the Rexroth A6VM variable
motor enhances the efficiency of earthmoving equipment by
delivering exceptional hydraulic power and dynamic responsiveness.
Paired with a hydraulic pump, this advanced system offers smooth
operation during heavy digging and material handling tasks. Its
variable displacement feature provides fine-tuned control over
speed and torque, ensuring precise movements even in challenging
environments. This rugged motor design is engineered to boost
productivity and reliability in modern excavation operations for
exceptional performance.
3. Material Handling (Forklifts): The A6VM piston motor powers
forklift travel drives with stepless speed control, delivering
consistent torque for slope climbing even under full load. Its
energy regeneration system converts braking force into hydraulic
energy, optimizing efficiency in cold storage warehouses or
automated manufacturing facilities where 24/7 operation is
critical.
Competitive Advantage:
1. Energy-Saving Innovation: The A6VM hydraulic motor recovers
kinetic energy during braking, storing it as hydraulic power to
boost overall efficiency by 25%. Its low-friction valve plate cuts
internal leakage, aligning with ISO 14001 standards for sustainable
industrial practices.
2. Engineered with a low moment of inertia and rapid dynamic
response, the Rexroth A6VM motor ensures precise load handling and
energy conservation in demanding operations, while its pairing with
a hydraulic pump guarantees stable fluid pressure and optimized
torque delivery, ultimately driving superior productivity and
market-leading performance for remarkable efficiency.
3. Utilizing an infinitely variable displacement design, the
Rexroth A6VM hydraulic motor adjusts continuously from maximum
output to zero in response to operating conditions, ensuring that
output speed and torque precisely match the hydraulic pump flow;
this axial piston motor delivers stable, efficient power under
diverse and complex conditions, significantly enhancing equipment
responsiveness and operational flexibility to meet the demands of
various industrial applications.
The Analysis For Rexroth A6VM Piston Motor Common Breakdown:
1. Overheating Alarm (＞90°C): Sustained temperature rise may
result from excessive relief valve pressure or failed cooler.
Monitor case/oil temp delta (<20°C), clean fins, or adjust oil
viscosity.
2. Contaminants in the hydraulic fluid can lead to abrasive wear
inside the A6VM motor, causing surface damage and compromised
efficiency; when combined with a malfunctioning piston pump, these
impurities accelerate component degradation, necessitating the use
of high-quality filters and routine fluid replacement to ensure
prolonged, reliable system performance without compromise.
3. Overheating in the A6VM motor can result from excessive friction
due to improper lubrication or contaminated fluid, which in turn
degrades metal surfaces; if coupled with a faulty axial piston
pump, thermal expansion may further distort components, thus
requiring improved cooling measures and prompt lubricant system
overhaul for optimal performance.
