FR Axial piston hydraulic pump
4 week ago
Product details
I. Product Overview
The FRR/FRL series of Danfoss axial piston pumps are key components in hydraulic systems, renowned for their high rated pressure, compact structure, high efficiency, and convenient flow adjustment. These pumps utilize advanced piston technology, achieving the processes of oil suction and pressure discharge through the reciprocating motion of pistons within the cylinder block, which alters the volume of the sealed working chambers.
II. Technical Features
1. High Rated Pressure: The FRR/FRL series piston pumps boast a high rated pressure, capable of meeting the demands of various high-pressure hydraulic systems.
2. Compact Structure: These pumps feature a compact design, occupying minimal space and facilitating easy installation and maintenance.
3. High Efficiency: The reciprocating motion design of the pistons within the cylinder block enhances the volumetric efficiency of the pumps, ensuring stable and reliable operation.
4. Convenient Flow Adjustment: The flow rate of the pumps can be easily adjusted by altering the piston speed or the displacement of the cylinder block, adapting to different working conditions.
5. Multiple Variable Control Methods: Supporting manual mechanical adjustment, hydraulic servo control, electro-hydraulic proportional adjustment, and other variable control methods, these pumps achieve precise control over flow and pressure by changing the swashplate inclination angle or cylinder block angle.
III. Application Fields
Owing to their outstanding performance, the FRR/FRL series of Danfoss piston pumps are widely applied in various scenarios requiring high pressure, large flow rates, and flow adjustment, including:
1. Hydraulic Presses: Providing a stable high-pressure oil source for equipment to ensure normal operation and efficient work.
2. Construction Machinery: Serving as the core power source in the hydraulic circuits of excavators, lifting equipment, etc., meeting their hydraulic demands.
3. Metallurgical Equipment: Offering stable hydraulic power support in the hydraulic transmission systems of continuous casting machines and rolling mills.
4. Mining and Shipping: Ensuring stable operation in hydraulic devices such as rock drills and steering gears.
IV. Working Principle
The working principle of the FRR/FRL series of Danfoss piston pumps is based on the reciprocating motion of pistons within the cylinder block. Specifically:
1. Oil Suction Process: As the pump body rotates, the driving torque is transmitted to the pistons through the transmission mechanism, causing them to move downward within the cylinder block. This creates a vacuum in the oil chamber, drawing in oil.
2. Oil Pressure Discharge Process: When the pistons move upward, they compress the oil and discharge it. During this process, the precise fit between the pistons and piston sleeves, along with the precise control of the outlet valve and outlet valve seat, ensure smooth oil flow and maximize pumping efficiency.
V. Selection and Usage Recommendations
1. Select the Appropriate Model Based on Actual Needs: When choosing an FRR/FRL series Danfoss piston pump, determine the required model and specifications based on actual needs, including parameters such as rated pressure and flow range.
2. Consider Installation and Maintenance Convenience: Opt for pump models with a compact structure that are easy to install and maintain to reduce installation and maintenance costs.
3. Focus on Pump Efficiency and Reliability: Choose pump models with high efficiency and reliability to ensure stable operation and efficient work of the hydraulic system.
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Ningbo Hengnuo Hydraulic Drive Co.,Ltd
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