A20VLO pump

A20VLO pump is a high performance axial piston variable displacement pump from Rexroth.

First, technical characteristics

1、Swash plate axial piston structure

A20VLO pump adopts swash plate axial piston design, the piston reciprocates in the cylinder, and at the same time drives the cylinder to rotate, realizing high efficient hydraulic energy conversion. The oil distribution plate is fixed, and the angle of the swash plate is adjusted to realize stepless change of displacement, which has a compact structure and stable operation.

2、Variable adjustment and high efficiency

It supports power control (LR), pressure control (DR), pilot pressure control (HD), electrical control with proportional solenoid (EP) and other variable adjustment methods, with high control precision and good stability, and can adapt to the needs of different working conditions.

The output flow rate is proportional to the transmission speed and pump displacement, and the displacement can be smoothly changed between the maximum value and zero, which meets the demand for wide range adjustment from low speed and high torque to high speed and low torque.

3、High pressure and wide speed range

Operating pressure range: rated pressure 35MPa, peak pressure 45MPa, to meet the needs of a wide range of operating environments from low to high pressure.

Displacement range: covering 60cc to 520cc, adjustable according to specific models and application requirements.

Speed range: depending on the model, the speed can reach a certain range, users can adjust the speed according to the actual working conditions to optimize the working efficiency.

4、Through-shaft drive and modular design

The through-axis drive design is suitable for installing gear pumps or second piston axial pumps to realize multi-pump linkage or composite function.

Supports double pump structure, interchangeable with other brands of hydraulic pumps, reducing maintenance costs. Provide a variety of controller types to meet the needs of different hydraulic systems.

Second, Application Scenarios

1、Engineering machinery

Excavators, cranes, piling rigs: as the main pump outputs the main pressure oil to drive walking, slewing and other actions to enhance the power and efficiency of the equipment.

Concrete pump trucks: provide stable hydraulic power to adapt to heavy-duty working conditions.

2、Ships and marine engineering

Deck machinery, anchor cable machine, winch: used for various equipment in ship and ocean engineering, to meet the needs of high pressure and large flow.

3、Industrial equipment

Injection molding machine, die-casting machine: to provide high pressure hydraulic power to achieve mold opening and closing, injection and other actions.

Metallurgical equipment: such as rolling mills, continuous casting machines, through precise hydraulic control to improve production accuracy.

Third, performance advantages

1、High efficiency and energy saving

Adopting advanced hydraulic technology to reduce energy consumption and save operating costs.

2、High reliability and long life

Adopting high-quality materials and advanced manufacturing technology to ensure stable operation under adverse working conditions and reduce downtime.

3、Low noise and easy maintenance

Optimized design reduces operating noise, comfortable working environment. The structure is compact and easy to maintain.

4、Wide adaptability

Support a variety of drive and control mode, suitable for different application scenarios.

Fourth, maintenance points

1、Liquid Management

Cleanliness control: Replace the hydraulic oil and filter element regularly to prevent oil pollution and keep the hydraulic oil clean.

Viscosity requirements: Select the appropriate viscosity hydraulic oil according to the working temperature, to ensure that it operates within the optimal viscosity range.

2、Component inspection and replacement

Plunger and cylinder: regularly check the plunger gap and cylinder wear, timely adjustment or replacement.

Oil distribution disk and bearing: check the sealing and bearing clearance to ensure efficient operation.

Seals: Check the wear of mechanical seal or packing seal, and replace the seals in time if there is any leakage.

Rexroth A20VLO hydraulic pump

Rexroth A20VLO Series Pumps