A6VM140 Rexroth Axial Piston Motor Proportional Valve Control 455L/min Flow Rate

A6VM140 Rexroth Axial Piston Motor Proportional Valve Control 455L/min Flow Rate

Features:

1. Axial tapered piston rotary group with bent-axis design

2. Axial force‑balanced design

3. Infinitely adjustable displacement from Vg max to Vg min=0

4. Radial force‑balanced design

5. Torque increases linearly with pressure differential and displacement

6. Rapid response time (≤100 ms)

7. High power-to-weight ratio design

8. High starting torque

9. Low inertia moment characteristic

10. Low‑noise operation

Technical data:

Specifications:

Applications:

Competitive Advantage:

1. Featuring a modular electronic control unit (ECU), the Rexroth A6VM axial piston motor delivers precise flow and pressure regulation with remote monitoring and diagnostics capabilities. The ECU provides real‑time performance data, alerts for potential faults, and supports firmware updates over the network, ensuring optimal motor operation over its lifecycle. This intelligent hydraulic motor is particularly well‑suited for automated production lines, AGV vehicles, and smart warehousing systems, where predictive maintenance and seamless integration drive productivity and minimize unplanned downtime.

2. Manufactured using lead‑free environmental processes and anaerobic coating technology, the Rexroth A6VM piston motor meets international ecological standards and enhances component fatigue and corrosion resistance. Its specialized material and coating combination withstand harsh marine environments and rigorous salt‑spray tests, making this axial piston motor ideal for offshore wind turbines, port cranes, and marine construction platforms. By ensuring long-term reliability in highly corrosive conditions, this hydraulic motor reduces maintenance costs and maximizes operational availability.

3. The Rexroth A6VM axial piston motor is equipped with dual mechanical seals and a backup sealing system that automatically engages upon primary seal failure to prevent fluid leaks and ensure operational safety. This redundancy minimizes environmental contamination risks and reduces maintenance complexity. Particularly suited for high‑safety applications such as pipeline pigging in the petrochemical industry, offshore drilling platforms, and land drilling rigs, this hydraulic motor’s fail-safe design upholds stringent reliability and safety standards in critical operations.

The Analysis For Rexroth A6VM Piston Motor Common Breakdown:

1. In failure scenario number 13, excessive hydraulic oil temperature or a malfunctioning cooling system can cause the fluid to exceed permissible temperature thresholds, accelerating seal degradation, reducing lubrication effectiveness, and damaging bearings. This fault typically results in increased noise, reduced output power, and shortened component lifespan. Recommended corrective actions include inspecting the coolant circuit for blockages, cleaning or replacing the oil cooler, calibrating thermal sensors, and selecting hydraulic oil grade that matches the manufacturer’s viscosity requirements to maintain oil temperature within allowable limits and prevent thermal degradation of motor performance. When replacing the oil, perform thorough flushing procedures to avoid residual contaminants in the system.

2. In failure scenario number 14, excessive particulate contamination or moisture in the hydraulic oil can accelerate metal surface wear and internal corrosion, leading to increased clearances and performance degradation. Symptoms include unstable torque output, low-speed surges, and reduced control precision. Troubleshooting steps involve using inline moisture sensors and particle counters to assess oil quality; if contamination thresholds are exceeded, replace the hydraulic fluid, install high-efficiency filter elements, and thoroughly clean the reservoir and filters. Restoring fluid cleanliness is critical for maintaining motor longevity and precise control performance. Additionally, implement regular oil monitoring schedules to prevent recurrence of contamination-related faults.

3. In failure scenario number 15, cavitation or insufficient return line pressure can cause air bubbles to be drawn into the A6VM axial piston motor, resulting in instantaneous power loss and shock loading that can damage vanes and cylinder bores. This fault manifests as abnormal operating noise, sudden performance drop, and system vibration. Recommended corrective measures include inspecting the suction lines for proper vacuum levels, eliminating any leaks, verifying adequate reservoir back-pressure, and if necessary installing vent valves or increasing return line damping to prevent air ingress and ensure continuous, stable fluid supply. Additionally, check reservoir height and return port positioning to optimize system layout and further reduce cavitation risk.