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What is the reason for insufficient pressure or large pressure fluctuations in the axial piston pump? How to solve it?

2025-04-28

Insufficient or fluctuating pressure may be caused by a variety of factors: Severe wear between the oil distribution plate and the cylinder body or between the plunger and the cylinder body will lead to increased internal leakage. At this time, it is necessary to check and repair the mating surface, and replace the plunger if necessary. For variable pumps, if the variable mechanism angle is set too small, it will cause insufficient flow. The variable angle should be appropriately increased. Blockage or leakage in the oil inlet pipe will also cause unstable pressure. It is necessary to dredge the pipe, clean the filter and tighten the connection. Fatigue or breakage of the center spring will cause insufficient return of the plunger, affecting the sealing performance, and the spring must be replaced. Excessive oil temperature will cause a decrease in viscosity, which will increase internal leakage. The cooling system should be checked and the oil of appropriate viscosity should be selected.

Rexroth Piston Pump

Rexroth Piston Motor

Rexroth Axial Piston Pump

Rexroth Axial Piston Motor

Hydraulic Axial Piston Pump

Construction Machinery Piston Pump

Construction Machinery Piston Motor

Industrial Machinery Piston Pump

Agricultural Axial Piston Motor

Harvesting Machinery Piston Pump

Harvester Axial Piston Motor

Bent Axis Piston Motor

Variable Axial Piston Pump

Fixed Displacement Piston Motor

Hydropower Plant Hydraulic Cylinder

Water Conservancy Hydraulic Cylinder

Rexroth Piston Pump

Rexroth Piston Motor

Rexroth Axial Piston Pump

Rexroth Axial Piston Motor

Hydraulic Axial Piston Pump

Construction Machinery Piston Pump

Construction Machinery Piston Motor

Industrial Machinery Piston Pump

Agricultural Axial Piston Motor

Harvesting Machinery Piston Pump

Harvester Axial Piston Motor

Bent Axis Piston Motor

Variable Axial Piston Pump

Fixed Displacement Piston Motor

Hydropower Plant Hydraulic Cylinder

Water Conservancy Hydraulic Cylinder

What is the reason for insufficient pressure or large pressure fluctuations in the axial piston pump? How to solve it?

What is the reason for insufficient pressure or large pressure fluctuations in the axial piston pump? How to solve it?