Axial Piston Fixed Pump

The axial piston fixed pump is a reliable hydraulic component designed for open circuit applications. It features a bent-axis design, ensuring high efficiency and a constant flow rate proportional to the drive speed and displacement. Widely used in both mobile and industrial applications, this pump offers durability and performance, making it an ideal choice for various hydraulic systems.

An axial piston fixed pump is a type of hydraulic pump that converts mechanical energy into hydraulic energy through the reciprocating motion of pistons. Here are some key aspects of axial piston fixed pumps:

• Suction Stage: When the piston moves outward, the volume of the pump chamber increases, creating a negative pressure that allows hydraulic fluid to enter the chamber.
• Discharge Stage: When the piston moves inward, the hydraulic fluid is compressed and discharged from the chamber, powering the hydraulic system.
• Drive Mechanism: The pistons are driven by a swash plate or an inclined shaft. The angle of the swash plate or the bent axis determines the stroke length of the pistons, and in a fixed displacement pump, this angle is fixed.

• Pump Body: Houses the internal components and provides structural support.
• Piston Assembly: Consists of pistons that move in and out to create suction and discharge.
• Distribution Plate: Controls the continuous suction and discharge of hydraulic fluid.
• Drive Shaft: Transfers mechanical energy from the power source to the piston assembly.

• High Efficiency: The design allows for high volumetric and mechanical efficiencies.
• High Pressure Capability: These pumps can operate at high pressures, making them suitable for demanding applications.
• Robust Construction: Built to withstand heavy-duty work cycles and harsh operating conditions.
• Low Noise Level: Designed to operate with minimal noise.

• Mobile Machinery: Used in construction equipment, agricultural machinery, and other mobile applications that require high pressure and robust performance.
• Industrial Applications: Suitable for industrial processes that demand high pressure and consistent fluid delivery.
• Marine and Offshore: Used in marine applications due to their durability and ability to handle heavy-duty cycles.
• Die Forging Presses: Employed in applications where high pressure and heavy-duty construction are essential.

• Bent-Axis Design: The pistons are arranged at an angle to the drive shaft. This design allows for high power density and is commonly used in both fixed and variable displacement pumps.
• Swashplate Design: The pistons are arranged axially to the drive shaft and are supported against a tilted plate (swashplate). The angle of the swashplate determines the piston stroke.
   

• Consistent Fluid Delivery: Fixed displacement pumps deliver a consistent volume of fluid with each stroke, making them ideal for applications that require a steady flow.
• Durability: Built to last, these pumps are designed for long service life and reliable operation.
• Energy Efficiency: High efficiency translates to lower energy consumption and reduced operating costs.
   

• Oilgear PFBA, PFBK, PFCM, PFCS Series: These fixed displacement axial piston pumps are designed for high pressure, heavy-duty construction, and high dirt tolerance.
• Bosch Rexroth A2FO Series: Fixed pump with axial tapered piston rotary group in bent-axis design for hydrostatic drives in open circuits.
   

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