A8V0140 axial piston variable pump
2 month ago
Product details
Rexroth A2FO/A2FM/A2FE/A4VO/A6VM/A6VE/A7VO/A8VO/A10VO/A11VO1.Axial plunger variable pump with tilting disc structure for hydrostatic drive in open circuit
2. flow rate is proportional to transmission speed and displacement
3. the stepless change of flow can be realized by adjusting the Angle of rotating inclined disk.
4. two shell drain outlets
5.excellent oil absorption performance
6. low noise level
7.Long service life
8. axial and radial load capacity of the transmission shaft
9. ideal power weight ratio
10. Multiple control areas
11.short control time
12.The pump is driven by a through shaft and can be mounted with a gear pump or less than or equal to the same specification,the axial plunger pump is 100% through shaft driven.
A8V0140 Axial Piston Variable Pump: Comprehensive Overview
1. Technical Specifications
【表格】
Parameter Details
Model A8V0140 (Bosch Rexroth Series)
Pump Type Swashplate-Controlled Axial Piston Pump (Variable Displacement)
Rated Pressure 350 bar (5,075 psi) continuous / 400 bar (5,800 psi) peak
Displacement Range 140 cc/rev (8.54 in³/rev)
Max Flow Rate 280 L/min (74 gal/min) @ 2,000 rpm
Efficiency ≥92% (Volumetric) / ≥90% (Mechanical)
Control Options Manual (lever), Hydraulic (proportional), Electro-hydraulic (servo)
Shaft Configuration Ø55 mm keyed shaft (SAE B)
Port Configuration SAE/DIN flange ports (G1¼ inlet, G1 outlet)
Sealing Technology Lip seals + case drain for leak prevention
Cooling Method Splash lubrication (integrated oil reservoir)
Weight ~65 kg (143 lb)
Dimensions (L×W×H) 380 × 240 × 310 mm (Approx.)
2. Key Features
• Variable Displacement Control
• Swashplate angle adjustment enables flow regulation from 0–140 cc/rev, ideal for load-sensing or power-on-demand systems.
• Example: A hydraulic excavator arm can move slowly (low flow) for precision tasks or rapidly (high flow) for digging.
• High Pressure Capability
• 350 bar continuous rating allows use in heavy-duty applications (e.g., presses, injection molding).
• Flexible Control Modes
• Manual: Lever-operated for simple applications (e.g., test stands).
• Hydraulic: Proportional valve for precise speed/pressure control (e.g., conveyor drives).
• Electro-hydraulic: Servo-valve integration for automation (e.g., CNC machines).
• Robust Design
• Hardened piston shoes and a cast-iron housing withstand shock loads (e.g., mobile machinery).
• IP65-rated shaft seal protects against dust/water ingress.
• Low Noise & Pulsation
• 9-piston design reduces pressure ripple (≤5 bar at 1,500 rpm).
• Optional noise-reducing cover lowers sound levels to ≤72 dB.
3. Applications
• Mobile Machinery
• Excavators, wheel loaders, and agricultural tractors (hydrostatic drives).
• Industrial Systems
• Plastic injection molding machines, die-casting presses, and metal forming equipment.
• Marine & Offshore
• Steering systems, deck machinery, and thruster drives.
• Aerospace & Defense
• Flight simulators, missile launchers, and aircraft ground support equipment.
• Energy & Renewables
• Wind turbine pitch control and hydraulic test rigs.
4. Advantages Over Fixed-Displacement Pumps
• Energy Efficiency
• Variable flow reduces unnecessary energy consumption (e.g., a 140 cc pump at 50% displacement uses 50% less power than a 140 cc fixed pump).
• Precise Control
• Enables closed-loop position/speed control (e.g., robotic arms).
• Reduced Heat Generation
• Only supplies required flow, minimizing wasted energy and heat.
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Ningbo Hengnuo Hydraulic Drive Co.,Ltd
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