A10VNO85DFR/53R-VSD62NOO-S6015
2 week ago
Product details
1. Model Breakdown
A10VNO85DFR/53R-VSD62NOO-S6015is an axial piston variable-displacement pump manufactured by Bosch Rexroth, featuring a swashplate design for open-circuit systems. The model code is decoded as follows:
• A10VNO: Axial piston variable-displacement pump series (swashplate structure, open circuit).
• 85: Nominal displacement of85 mL/rev(output flow per revolution).
• DFR: Control type forpressure-flow compound control(D=pressure compensation, F=flow control, R=remote pressure control).
• 53R:
• 53: Flange mounting (SAE flange, Series 53).
• R: Rotation direction isclockwise (viewed from the drive end).
• VSD62NOO:
• VS: Variable displacement.
• D62: Through-drive capability (can power auxiliary pumps, max torque 62 Nm).
• NOO: No special function markers (standard configuration).
• S6015:
• S: Series identifier (standard pressure rating).
• 6015: Maximum operating pressure600 bar, peak pressure700 bar(15% overload).
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2. Key Performance Parameters
【表格】
Parameter Value Explanation
Displacement 85 mL/rev (adjustable range: 0–85) Stepless variable adjustment via swashplate angle.
Rated Pressure 350 bar Safe operating pressure under continuous duty.
Maximum Pressure 600 bar (continuous) / 700 bar (peak) Peak pressure allowed for short-term use (<10% duty cycle).
Speed Range 600–2,500 rpm Minimum speed ≥600 rpm to avoid cavitation; maximum limited by mechanical strength.
Power Density ~0.8 kW/cm³ (at 85 mL displacement) Compact design for high-pressure applications.
Volumetric Efficiency ≥95% (rated conditions) Low internal leakage, suitable for precision control.
Total Efficiency ≥90% (combined mechanical and volumetric) Minimal energy loss and heat generation.
Control Response Time <50 ms (min to max displacement) Fast adaptation to load changes, ideal for dynamic systems.
Weight ~25 kg (including housing and drive shaft) Consider installation space and support strength.
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3. Core Technical Features
• High-Pressure Design:
• Utilizes high-strength alloy steel pistons and copper-based bearings to withstand 600 bar continuous pressure.
• Dual sealing (shaft seal + cylinder block seal) prevents high-pressure leakage.
• Intelligent Control:
• DFR Control: Combines pressure compensation and flow control valves for dual closed-loop regulation.
• Remote Pressure Adjustment: Supports external signals (electrical or hydraulic) for dynamic system pressure tuning.
• Through-Drive Capability:
• Enables parallel connection of auxiliary pumps (e.g., gear pumps) for lubrication or low-flow circuits.
• Low Noise:
• Swashplate structure reduces vibration, with noise levels ≤75 dB (at 1 m distance).
• Long Service Life:
• Key components (pistons, port plates) are hardened for durability, with lifespan ≥10,000 hours (ISO standard).
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4. Typical Applications
• Construction Machinery:
• Excavators (main pumps), cranes (luffing/slewing systems), road rollers (vibration systems).
• Industrial Equipment:
• Injection molding machines (high-pressure clamping), die-casting machines (rapid injection), hydraulic presses (pressure forming).
• Agricultural Machinery:
• Large combine harvesters (hydraulic-driven headers), forage harvesters (chopper roll control).
• Marine & Offshore Engineering:
• Steering gear systems, deck machinery (winches/capstans).
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5. Common Faults & Troubleshooting
【表格】
Symptom Potential Causes Solutions
Insufficient Flow Clogged suction filter, small swashplate angle Clean filter, check control signal.
Pressure Fluctuation Air ingestion, worn port plate Vent system, replace port plate.
Excessive Noise Bearing failure, piston seizure Replace bearings, clean piston assembly.
Leakage Aged shaft seal, cracked housing Replace seals, weld-repair housing.
Overheating Inadequate cooling, efficiency loss Check cooler, replace hydraulic fluid.
6. Selection & Matching Guidelines
• Displacement Matching:
• Select displacement based on maximum system flow demand (e.g., for 100 L/min at 1,200 rpm, displacement ≥83 mL/rev; 85 mL is suitable).
• Pressure Matching:
• Ensure system peak pressure ≤ pump rated pressure (allow 10%–20% margin).
• Control Type Selection:
• DFR: Ideal for systems requiring simultaneous pressure and flow regulation (e.g., injection molding).
• DR: Pressure compensation only (simple hydraulic circuits).
• EP: Electro-proportional control (requires PLC input).
• Installation & Interfaces:
• Verify flange size (Series 53 = SAE B port), shaft dimensions (match motor specifications).
• Check port orientation (align with piping layout).
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Ningbo Hengnuo Hydraulic Drive Co.,Ltd
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3 year
Main Product:
hydraulic motor,
gear box,
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