Home Companies Shaoyang Victor Hydraulic Co., Ltd.

A6VM80HA Rexroth Piston Motor Pressure Compensated Design 80cc/r Industrial Grade

Contact Us

[China]

Trade Verify

Address: The intersection of Century Avenue and Baima Avenue,Shaoyang Economic and Technological development Zone,Shaoyang city,Hunan Province

Contact name:Wyman

Shaoyang Victor Hydraulic Co., Ltd.

Verified Suppliers

Trust
Seal
Verified
Supplier
Credit
Check
Capability
Assessment

A6VM80HA Rexroth Piston Motor Pressure Compensated Design 80cc/r Industrial Grade

Country/Region	china
City & Province	shaoyang hunan
Categories	Measuring & Analysing Instrument Design Services

Product Details

A6VM80HA Rexroth Piston Motor Pressure Compensated Design 80cc/r Industrial Grade

Features:

1. Advanced Digital Control Integration: Facilitates seamless integration with modern control systems

2. High‑precision piston guide bushings

3. Low Leakage Design: Precision engineering minimizes energy loss and leakage

4. Integrated piston traction lubrication circuit

5. Energy Saving Operation: Incorporates features to optimize energy consumption

6. Low pulsation output

7. Modular Design: Facilitates easy system integration and scalability

8. High‑response proportional solenoid valve

9. Enhanced Reliability: Built for long-term stable and dependable performance

10. Pressure‑compensated control mode

Technical data:

Size		NG		80	107	140	160	200	250
Geometric displacement, per revolution		V_{g max}	cm³	80	107	140	160	200	250
		V_{g min}	cm³	0	0	0	0	0	0
		V_{g x}	cm³	51	68	88	61	76	205
Maximum rotational speed(while adhering to the maximum permissible inlet flow)	at V_{g max}	n_nom	rpm	3900	3550	3250	3100	2900	2700
	at V_g < V_{g x}	n_max	rpm	6150	5600	5150	4900	4600	3300
	where V_{g 0}	n_max	rpm	7350	6300	5750	5500	5100	3300
Inlet flow	at n_nom and V_{g max}	q_{v max}	l/min	312	380	455	496	580	675
Torque	at V_{g max} and Δp = 400 bar	T	Nm	509	681	891	1019	1273	‒
Torque	at V_{g max} and Δp = 350 bar	T	Nm	446	596	778	891	1114	1391
Rotary stiffness	V_{g max} to V_g/2	c_min	kNm/rad	16	21	34	35	44	60
Rotary stiffness	V_g/2 to 0 (interpolated)	c_min	kNm/rad	48	65	93	105	130	181
Moment of inertia for rotary group		J_TW	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 tower crane slewing systems, the balanced valve plate design of the Rexroth A6VM hydraulic motor significantly reduces radial loads, extending service life in continuous operation. The motor’s rapid response time (≤100 ms) and high-response proportional solenoid valve facilitate precise start-stop movements, while the integrated position feedback interface enables closed-loop control to meet the stringent positioning accuracy demands of high-altitude construction. With built-in relief valves for system protection, this axial piston motor ensures safe, reliable performance even under the dynamic loads characteristic of tower crane operation.

2. In geotechnical drilling rig rotary drive units, the Rexroth A6VM hydraulic motor offers exceptional power density and a compact installed length to deliver consistent torque output to the drill string, maintaining reliability in challenging conditions. Rated for high contamination tolerance to ISO 17/15/12, this hydraulic motor thrives in abrasive mud and dust environments, reducing maintenance downtime and filter change intervals. With integrated cooling line ports for easy external cooler connection, it ensures optimal temperature management during extended drilling operations, maximizing productivity and equipment lifespan.

3. In directional drilling rig feed drive systems, the Rexroth A6VM axial piston motor excels with its impact load resistance and thermal expansion compensation design, delivering steady torque output under high-load, high-temperature conditions to ensure efficient bit advancement. Its self-lubricating slipper material and integrated piston traction lubrication circuit minimize friction and wear, enhancing system reliability. Paired with a multi-stage directional valve assembly for precise forward and reverse switching, this hydraulic motor meets the rigorous demands of complex geological drilling applications.

Competitive Advantage:

1. The Rexroth A6VM variable displacement hydraulic motor integrates a matched high‑precision gear pump, ensuring minimal internal leakage and exceptional volumetric efficiency. Its advanced sealing system, equipped with high-temperature resistant seals, maintains peak performance across a wide temperature range from −40 °C to +120 °C. This robust design makes it perfect for extreme environments—whether for forestry machinery in cold climates, snow removal vehicles, or desert and high‑altitude construction equipment. By delivering consistent power and reliability, this piston motor enhances equipment uptime and reduces maintenance intervals.

2. The Rexroth A6VM axial piston motor can be paired with electronic control valves for closed‑loop feedback regulation, enabling real‑time monitoring of speed and torque with precise load response. Supporting CANopen or EtherCAT communication protocols, it integrates seamlessly into automated control systems, elevating the intelligence of industrial equipment. From robotics and printing machines to high‑precision packaging systems, this hydraulic motor delivers unmatched accuracy and responsiveness—enhancing productivity and ensuring superior process control in applications where motion precision is paramount.

3. The Rexroth A6VM piston motor features optimized fluid channeling and low‑friction seals to minimize internal leakage and energy loss, ensuring high volumetric efficiency throughout its entire operating range. This precision engineering enables the axial piston motor to deliver consistent torque at low to medium speeds under heavy loads, reducing fuel consumption and operational costs for continuous‑duty applications. From port container handlers and concrete pump trucks to hydraulic excavators, this variable displacement hydraulic motor maximizes productivity while promoting sustainable, energy‑efficient performance.

The Analysis For Rexroth A6VM Piston Motor Common Breakdown:

1. In failure scenario number 4, 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.

2. In failure scenario number 5, 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.

3. In failure scenario number 6, communication interruption with the electronic control unit (ECU) or firmware errors can prevent the motor from operating at the programmed flow and pressure setpoints, causing uncontrolled speed or sluggish response. Symptoms include system alarms, unstable motion, and abnormal load fluctuations. To address this issue, inspect communication cables, connectors, and supply voltages, reload or update firmware, and utilize the manufacturer’s diagnostic software to retrieve fault codes. Rapid identification and resolution of ECU-related problems are essential for restoring precise electronic control and maintaining system performance.