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Low-Noise Construction Machinery Piston Motor A6VM 65dB Operation Cast Iron Housing

Low-Noise Construction Machinery Piston Motor A6VM 65dB Operation Cast Iron Housing

Brand Name: SY Hydraulic
Model Number: SY-A6VM
MOQ: 1pc
Price: USD 1000-5000 / pc
Payment Terms: T/T
Supply Ability: 1000 pcs per month
Detail Information
Place of Origin:
China
Certification:
China Classification Society Certification
Theory:
Rotary Motor,hydraulic Motors
Material:
Cast Iron
Pressure:
High Pressure
Fuel:
Hydraulic Oil
Packaging Details:
Standard Export Wooden Case
Supply Ability:
1000 pcs per month
Highlight:

low-noise construction piston motor

,

cast iron piston motor A6VM

,

65dB construction machinery motor

Product Description

Low-Noise Construction Machinery Piston Motor A6VM 65dB Operation Cast Iron Housing



Features:


1. Excellent Starting Characteristics: Offers rapid and reliable startup response

2. Low Moment of Inertia: Minimizes inertia for rapid dynamic response

3. High Operational Efficiency: Optimized design for energy-efficient performance

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

5. High Dynamic Response: Capable of rapid adaptation to load fluctuations

6. Compatible with Compact Pump Systems for Efficiency

7. Compact Footprint Suited for Space-Constrained Applications

8. Robust Construction with High Reliability

9. Durable Bearing System Ensuring Extended Service Life

10. Superior Power Density Relative to Size



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 drive system of blast furnace charging machines, Rexroth’s A6VM hydraulic motor utilizes pressure-compensated control mode and multi-stage balance design to achieve constant flow output under extreme load fluctuations. The case‑hardened spool and sleeve exhibit outstanding wear resistance in high-temperature and dusty environments, ensuring prolonged continuous operation with extended maintenance intervals.

2. In the mold opening and closing system of continuous casting machines, the A6VM hydraulic motor employs self‑lubricating slipper material and a dedicated lubrication circuit to ensure efficient lubrication between pistons and valve plates, minimizing internal leakage. Combined with integrated bypass and relief valves, the system can swiftly cut off oil flow under emergency stop or overload conditions, enhancing safety and reducing unplanned downtime.

3. In the winch drive unit for deck machinery on ocean-going cargo vessels, the A6VM axial piston variable displacement motor delivers reliable anchor handling operations in polar regions, thanks to its cavitation‑resistant chamber design and low-temperature start-up capability. Its IP65-rated optional electronic controls and corrosion-resistant components allow continuous operation in saline spray and high-humidity environments without frequent maintenance.


Low-Noise Construction Machinery Piston Motor A6VM 65dB Operation Cast Iron Housing 0



Competitive Advantage:


1. Certified to ATEX explosion‑proof standards and tested under CSA, UL, and CE safety protocols, the Rexroth A6VM axial piston motor features a rugged design for safe operation in hazardous environments. Its explosion‑proof construction eliminates ignition sources, making this hydraulic motor an ideal power solution for high‑risk sectors such as petrochemicals, mining, pharmaceuticals, and oil and gas pipelines. By prioritizing safety without sacrificing performance, this piston motor ensures regulatory compliance and protects personnel and equipment in volatile industrial settings.


2. Designed for extended life cycles exceeding 20,000 hours of operation without major overhaul under standard conditions, the Rexroth A6VM piston motor minimizes maintenance interventions and associated downtime. Lifetime cost analysis reveals up to 30% reduction in total cost of ownership compared to conventional fixed‑displacement motors. This axial piston motor thus delivers superior return on investment, making it the preferred choice for large‑scale infrastructure projects and equipment rental companies. Its durability and cost‑efficiency ensure long‑term operational profitability.


3.  The Rexroth A6VM axial piston motor supports rapid remote commissioning and firmware updates over secure encrypted protocols. Service teams can perform software enhancements on‑site or from corporate headquarters, eliminating the need for travel. This capability offers remarkable flexibility for distributed production lines and multi‑site projects, saving time and reducing service costs. Particularly valuable in offshore platforms, remote mining installations, and international large‑scale deployments, this hydraulic motor ensures up‑to‑date performance and streamlined maintenance across geographies.



The Analysis For Rexroth A6VM Piston Motor Common Breakdown:


1. In failure scenario number 28, prolonged high-load operation can cause fatigue cracking, particularly in high-pressure components such as valve plates and piston ends, leading to leakage or catastrophic failure as micro-cracks propagate. Symptoms include gradual performance degradation and potential safety hazards. It is recommended to perform regular non-destructive testing—such as ultrasonic or dye penetrant inspections—replace fatigue-prone parts proactively, and optimize operating parameters to reduce cumulative fatigue stress.


2. In failure scenario number 29, residual air trapped in oil passages after prolonged shutdown can increase start-up resistance and lead to insufficient fluid supply upon restart. Symptoms include difficulty starting and unstable low-speed operation. Recommended actions include performing oil-line purging before shutdown, executing periodic low-load operations during idle periods, installing automatic air-bleed valves, and incorporating pre-circulation steps in the startup procedure to ensure full fluid fill and eliminate air pockets.


3. In failure scenario number 30, incorrect filter element selection or inadequate maintenance can cause excessive pressure differential across the filter, leading to motor power loss or shutdown. Symptoms include system alarms, reduced output power, and abnormal oil temperature rise. It is recommended to select filter elements with appropriate micron ratings based on system flow rates and contamination levels, establish a scheduled replacement program, and install differential pressure monitoring devices to detect and address filter clogging promptly.