Shaoyang Victor Hydraulic Co., Ltd.
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Durable Cast Iron Construction Rexroth Piston Motor 450 Bar Max Pressure
Features:
1. Axial Piston Configuration for compact high-pressure performance
2. Continuously Variable Displacement Mechanism
3. Bent-Axis Construction for optimized efficiency and torque
4. Tapered Piston Arrangement Enhancing Hydraulic Efficiency
5. Designed for Open-Loop Hydraulic Systems
6. Engineered for Closed-Loop Hydraulic Circuits
7. Extensive Control Range for variable operating conditions
8. Capability for High Rotational Speed Operation
9. Robust Torque Output under Variable Loads
10. Infinitely Variable Displacement from Maximum to Zero
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 | 1 Year |
| Model | SY-A6VM |
| Place of Origin | China |
| Type | Rexroth type piston motor |
| Color | Available any color |
| HS Code | 8412299090 |
| Application | excavator, loader, construction machinery |
| Max Speed | 6300 rpm |
| Delivery Time | 15-30 Days after Payment |
| MOQ | 1 Piece |
Applications:
Competitive Advantage:
1. Featuring an extensive control range and innovative variable displacement, the Rexroth A6VM motor delivers exceptional flexibility across diverse hydraulic systems, while integration with a piston pump ensures rapid adjustments and precise flow control, thereby enabling reliable operation under fluctuating loads and reducing overall system downtime, boosting overall efficiency significantly.
2. Featuring highly sensitive pressure differential control between high and low pressure sides, the Rexroth A6VM axial piston motor, manufactured with precision engineering, ensures that torque output and displacement adjustment are perfectly synchronized; this hydraulic motor effectively enhances energy conversion efficiency in hydraulic systems while reducing wear and energy consumption, thereby demonstrating exceptional stability and reliability in demanding applications.
3. Compact Modular Design: This axial piston motor features 15% smaller footprint and 20% higher power density than competitors. Modular assembly allows 2-hour MTTR, ideal for confined marine engine rooms or mobile construction machinery.
The Analysis For Rexroth A6VM Piston Motor Common Breakdown:
1. Improper installation of the A6VM motor may cause misalignment or stress on internal components, leading to abnormal vibrations and increased wear; if the hydraulic pump is not correctly calibrated, the resulting pressure fluctuations can intensify damage, demanding precise realignment and system diagnostic checks to prevent further deterioration immediately avoid failure.
2. Contaminated lubrication may cause the A6VM motor’s moving parts to seize or operate erratically, resulting in reduced performance and potential internal damage; when coupled with issues in the piston pump, poor lubrication accelerates wear, making routine fluid analysis and timely lubricant replacement essential for maintaining system integrity to ensure continuous operation.
3. Excessive Vibration (＞8 mm/s): High axial vibration could be misalignment (>0.05 mm) or bearing race spalling. Use laser alignment and FFT analysis to check piston-pass frequency harmonics.