A2FE63 Fixed Displacement Axial Piston Hydraulic Motor
3 week ago
Product details
A2FE63 Series Fixed Displacement Axial Piston Hydraulic Motor Full Product Introduction
1. Basic Product Overview
The A2FE63 Series Fixed Displacement Axial Piston Hydraulic Motor is a classic bent-axis type heavy-duty Hydraulic piston motor widely replicated in the hydraulic industry, designed for heavy-load low-speed high-torque driving requirements. As a mature fixed-displacement hydraulic motor, it serves as the core executing component inside the complete machine hydraulic system of construction machinery, drilling rigs, mining equipment and crawler vehicles. Adopting bent-axis axial piston structural design, it delivers steady high torque output under continuous high-pressure input, replacing bulky reducer assemblies in many scenarios to simplify the overall layout of the hydraulic system. It features robust shock resistance and high volumetric efficiency, perfectly matching high-pressure pump sources and multi-way valve groups for harsh off-road working conditions.
Model Explanation
- A2FE: Universal series code for bent-axis fixed displacement axial piston hydraulic motor (Rexroth standard benchmark model)
- 63: Theoretical displacement 63 mL/r
Core positioning: Fixed displacement structure with no displacement adjustment function, focusing on constant torque driving; commonly used for crawler walking, winch hoisting and rotary drilling power output in closed or open-loop hydraulic system.
2. Core Technical Parameters
Item Specification
Product Type Bent-axis Fixed Displacement Hydraulic piston motor
Theoretical Displacement 63 mL/r
Rated Working Pressure 32 MPa
Peak Pressure 40 MPa
Rated Speed 5–2500 rpm
Max Starting Torque Efficiency ≥94%
Output Shaft Spline shaft / cylindrical shaft optional
Housing Material High-strength cast steel casing, hardened alloy steel pistons and cylinder block
Sealing Configuration NBR seals standard; FKM high-temperature resistant seals optional
Applicable Medium ISO VG46, VG68 anti-wear hydraulic oil
Operating Temperature -20℃ ~ +90℃
Circuit Adaptation Compatible with open circuit and closed circuit hydraulic system
Warranty Period 1 year
3. Structure & Working Principle
This Hydraulic piston motor mainly consists of cylinder block, plunger assembly, spherical connecting rod, bent-angle housing, valve plate and output drive shaft. High-pressure oil supplied from the main pump enters the cylinder block distribution area in the hydraulic system:
1. Pressurized hydraulic oil pushes individual pistons to extend outward along the bent axis angle, generating axial thrust on the spherical connecting rod.
2. The inclined layout converts axial piston thrust into circumferential rotational torque to drive the cylinder block and output shaft to rotate, realizing mechanical power output.
3. Low-pressure return oil flows back through the valve plate to the oil tank, completing the working cycle of the hydraulic motor.
4. With fixed displacement design, torque output changes linearly with system pressure; reversing the inlet and outlet oil lines achieves forward and reverse rotation.
5. Compared with gear-type hydraulic motors, this Hydraulic piston motor has higher pressure resistance and starting efficiency, adapting to heavy start-up loads in closed-loop hydraulic system.
4. Core Product Advantages
1. Bent-axis structural design brings ultra-high starting torque efficiency, no crawling at ultra-low rotating speed, stable operation for heavy start and frequent reversing working conditions in the hydraulic system.
2. Hardened precision friction pairs and wear-resistant valve plate greatly extend service life, resisting hydraulic oil slight contamination and continuous high-pressure operation.
3. As a universal interchangeable hydraulic motor, it is fully compatible with original A2FE63 installation dimensions and oil port positions, convenient for on-site replacement and maintenance without modifying the existing hydraulic system.
4. Wide rotational speed range from creeping low speed to high-speed operation, meeting diversified working demands of walking, hoisting and rotary driving.
5. Compact integrated structure saves installation space in engine compartments, easy to pair with plunger pumps and proportional valves to form a complete high-pressure hydraulic drive system.
6. Excellent overload resistance, able to withstand instantaneous peak pressure impact without structural damage.
5. Typical Application Scenarios
1. Crawler excavators, crawler loaders: Travel drive hydraulic motor assembled in closed-loop hydraulic system;
2. Truck cranes, marine winches: Hoisting drum drive Hydraulic piston motor matched with balance valve safety loops;
3. Rotary drilling rigs, coal mining roadheaders: Main rotary power hydraulic drive unit;
4. Road milling machines, asphalt pavers: Roller and conveyor heavy-duty driving hydraulic motor;
5. Heavy industrial hydraulic stations: High-torque actuating element for material stirring and roller pressing equipment.
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Ningbo Hengnuo Hydraulic Drive Co.,Ltd
Audited supplier
4 year
Main Product:
hydraulic motor,
gear box ,
hydraulic pump,
hydraulic valve ,
hydraulic winch,
hydraulic system