Brand Name: | SY Hydraulic |
Model Number: | SY-A6VM |
MOQ: | 1pc |
Price: | USD 1000-3000 / pc |
Payment Terms: | T/T |
Supply Ability: | 1000 pcs per month |
Rexroth Axial Piston Motor 500 cc/rev Chrome-Plated Pistons for Mining Equipment
Features:
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:
Warranty
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1 Year
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Specification
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SY-A6VM
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Place of Origin
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China
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Type
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Rexroth axial piston motor
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Color
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Available any color | |||
HS Code
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8412299090 | |||
Application
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excavator, loader, construction machinery
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Maximum pressure | 450 bar | |||
Delivery Time
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15-30 Days after Payment
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Displacement |
80-250 cm3
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Applications:
Competitive Advantage:
1. The Rexroth A6VM axial piston motor features multiple mounting interfaces and flange configurations, enabling rapid integration with a wide range of mechanical systems. Its modular design allows users to swap flange plates and couplings to match international industry standards, facilitating seamless adaptation to diverse construction machinery platforms. This hydraulic motor reduces retrofitting time and accelerates upgrade cycles for OEMs and service providers, ensuring compatibility across regional markets. By offering plug‑and‑play versatility, this hydraulic motor streamlines equipment deployment and enhances aftermarket support efficiency.
2. The Rexroth A6VM hydraulic motor incorporates an energy‑regeneration feature, utilizing a dual‑channel valve system to recover excess fluid and reuse hydraulic power. By minimizing wasted flow, this axial piston motor reduces fuel consumption and extends hydraulic oil service life, cutting down maintenance intervals. It is especially advantageous in high‑cycle applications such as robotic manipulators and pile-driving rigs, where continuous reciprocating motion demands both efficiency and reliability. This piston motor’s innovative energy management enhances productivity while promoting sustainable operation.
3. Equipped with bi‑directional load-sensing control, the Rexroth A6VM piston motor continuously adjusts displacement in response to pressure fluctuations on both inlet and outlet sides, ensuring stable speed and torque output. The load-sensing mechanism also shields the system from shock loads, delaying component fatigue and failure. Ideal for heavy‑duty machinery like concrete mixers, bulldozers, and hydraulic shears, this hydraulic motor maintains consistent performance under varying load conditions, enhancing equipment longevity and operational safety in demanding applications.
The Analysis For Rexroth A6VM Piston Motor Common Breakdown:
1. In failure scenario number 10, external vibration or improper installation can cause stress concentrations at the motor-to-equipment interface, potentially leading to keyway or flange cracking, resulting in leakage or misalignment. Indicators include unusual noises, fluid seepage, and motor displacement. Recommended preventive measures involve verifying alignment and torque specifications during installation, employing flexible couplings or vibration isolators to mitigate stress, and conducting nondestructive testing on connection points. Ensuring robust mounting practices prevents structural damage and maintains stable motor operation in dynamic environments.
2. In failure scenario number 11, the A6VM axial piston motor may experience internal leakage and pressure drop caused by worn seals, insufficient lubrication, or contaminated hydraulic fluid. This fault can lead to reduced torque output and rotational speed, thereby compromising overall system efficiency and potentially resulting in increased vibration and operational noise. It is recommended to inspect and replace all seal elements, flush and replace the hydraulic oil according to the manufacturer’s specifications, and verify the condition of filters and the cooling system to restore optimal performance and extend service life. During reassembly and maintenance, technicians should strictly follow the manufacturer’s prescribed torque values and installation sequence to prevent secondary leakage.
3. In failure scenario number 12, unstable pressure circuits may form inside the A6VM axial piston motor due to leakage on the high-pressure side or blocked return oil passages, resulting in flow fluctuations and motor slipping. Symptoms include operational jerking, intermittent torque loss, and sluggish system response. To troubleshoot, inspect the high-pressure lines and return oil pipes for blockages or restrictions, clean or replace clogged pipelines and filter elements, and verify that the settings of hydraulic control valves and relief valves meet the manufacturer’s specifications. Proper restoration of pressure balance is essential for smooth and reliable motor operation. Additionally, during maintenance, follow recommended installation guidelines for hoses and fittings to prevent exacerbating leakage due to external vibration.