High Torque A6VE 509Nm Rexroth Piston Motor for Construction
Machinery
Features:
1. Durable Bearing System Ensuring Extended Service Life
2. Superior Power Density Relative to Size
3. Excellent Starting Characteristics with Smooth Engagement
4. Low Rotational Inertia for Rapid Acceleration/Deceleration
5. High Dynamic Response to Load and Speed Variations
6. Precision Manufacturing with Tight Tolerances
7. Optimized for Low Vibration Operation
8. High Efficiency in Converting Hydraulic Energy to Mechanical Work
9. Multiple Mounting Options for Flexible Installation
10. Enhanced Durability for Demanding Operational Conditions
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 agricultural machinery, the Rexroth A6VE variable motor
delivers high hydraulic efficiency and adaptability for various
farming operations. Integrated with an axial piston pump, this
system provides steady power, enabling smooth operation of
tractors, harvesters, and irrigation equipment. Its variable
displacement allows precise speed and torque adjustments tailored
to specific agricultural tasks. With advanced control and robust
design, the motor ensures reliable performance under varying field
conditions, ultimately improving productivity and fuel efficiency
on modern farms for optimal farming operations.
2. In modern agricultural applications, the Rexroth A6VE variable
motor offers exceptional hydraulic control and energy efficiency,
making it ideal for heavy-duty farm machinery. Paired with a
hydraulic pump, the system delivers consistent power for tasks like
plowing, seeding, and harvesting. Its variable displacement enables
fine-tuning of speed and torque to meet diverse agricultural
requirements. The motor’s robust design and advanced control
features contribute to reduced maintenance and higher operational
reliability, ultimately supporting sustainable farming practices,
ensuring unparalleled long-lasting operational success.
3. Industrial Systems (Chemical Equipment): The A6VE axial piston
motor provides constant-power mixing for viscous chemicals in
reactor agitators. With anti-corrosion coatings and leakage
detection ports, this piston motor meets safety standards in
pharmaceutical production or petrochemical plants handling
hazardous substances.
Competitive Advantage:
1. Designed for both mobile and stationary applications, the
Rexroth A6VE variable motor provides versatile functionality and
robust performance, with its seamless integration with an axial
piston pump ensuring consistent energy transmission, superior
efficiency, and reliable operation in complex hydraulic networks,
thereby reinforcing its market-leading position, driving innovation
and reliability globally.
2. By eliminating traditional gear-shifting mechanisms and
optimizing the hydraulic transmission path, the Rexroth A6VE
hydraulic motor dramatically reduces system complexity and energy
consumption, while also enabling the use of smaller pump units;
this axial piston motor offers significant cost advantages and
space savings, making it an outstanding choice for construction
machinery and mobile hydraulic equipment, and providing customers
with an economical, efficient solution.
3. Extreme Temperature Resilience: Operating from -40°C to 120°C,
this hydraulic motor integrates thermal management for reliable
cold starts in Arctic vehicles or desert oilfields. Power loss
remains under 5% at high temperatures, ensuring 24/7 performance.
The Analysis For Rexroth A6VE Piston Motor Common Breakdown:
1. Debris and sediment buildup in the hydraulic fluid can obstruct
flow paths within the A6VE motor, leading to reduced efficiency and
overheating; if a malfunctioning piston pump contributes additional
contaminants, a complete system flush and filter replacement
becomes critical to restoring proper fluid dynamics and operational
performance, ensuring lasting reliability.
2. In real-world operations, the Rexroth A6VE hydraulic motor can
experience hydraulic oil leakage, often due to worn seals, improper
installation, or contaminated hydraulic oil. This leakage causes a
drop in system pressure and reduced energy efficiency, while also
accelerating wear on other critical components. Regular inspections
and timely maintenance of sealing elements and hydraulic lines are
essential to prevent further damage and ensure optimal performance
of this piston motor.
3. Displacement Control Failure: Failed displacement adjustment
often links to control piston seal rupture or servo valve spool
sticking. Disassemble to measure piston clearance (<15 μm) and
flush contaminants.
