Repair Kits Rexroth A6VE Series Axial Piston Fixed Motor Hydraulic Machine Spare Parts

Repair Kits Rexroth A6VE Series Axial Piston Fixed Motor Hydraulic Machine Spare Parts

The core advantage of Rexroth A6VE hydraulic spare lies in "original factory-level compatibility". Ordinary aftermarket parts may have gaps after installation due to dimensional deviations. However, the plunger and cylinder block of this series of spare parts are processed by mirror grinding, with a fit clearance of only 0.01mm, which can fully replicate the sealing performance of the original factory motor. When repairing an A6VE107 motor, after replacing the seal with rexroth A6VE hydraulic spare, the oil leakage problem could be completely solved, and the operating noise of the motor was reduced to less than 65 decibels, which was much lower than the industry average of 75 decibels. ​
hydraulic motor machine spare parts highlights "durability in all working conditions". Its bearings are made of high-strength alloy materials. After carburizing treatment, the surface hardness reaches HRC 62, and the wear resistance is twice that of ordinary bearings. The sealing parts are made of fluororubber and can still maintain a perfect seal under the ultimate pressure of 31.5MPa. For example, in the repair of the A6VE motor of a mining excavator, hydraulic motor machine spare parts can withstand continuous vibration and dust erosion, ensuring no performance degradation of the motor after 1000 hours of high-intensity operation. ​

Modular combination design The kits are classified and packaged as "core parts + vulnerable parts". rexroth A6VE hydraulic spare (such as plungers, cylinder blocks) and hydraulic motor machine spare parts (such as seals, bearings) can be taken separately to avoid waste of spare parts. Maintenance personnel can quickly select the required components based on the type of fault, reducing the diagnosis and replacement time by 40%. ​
Full model coverage: Rexroth A6VE hydraulic spare is compatible with all models of motors in the A6VE series (from A6VE55 to A6VE250). Whether it is the drive motor of a small loader or the propulsion motor of a large shield machine, corresponding spare parts can be found. hydraulic motor machine spare parts adopt common specifications and are compatible with the maintenance requirements of similar hydraulic motors. ​
Installation guidance support The kit comes with a detailed installation manual. Mark the assembly torque of rexroth A6VE hydraulic spare (for example, the plunger fixing bolts should be tightened at 35N · m) and the installation direction of hydraulic motor machine spare parts (for example, the lip of the dust ring should face outward). Even non-professional maintenance personnel can ensure the installation accuracy.

The structure of plunger pump is divided into two representative structural types: axial plunger pump and radial plunger pump; Because radial piston pumps belong to a new type of high-efficiency pump with relatively high technological content, with continuous acceleration, radial piston pumps will inevitably become an important component of the application field of piston pumps. The protection of the swash plate axial piston pump generally adopts the method of cylinder body rolling and end face flow distribution. There is a contradictory pair composed of a bimetallic plate and a steel oil distribution plate embedded on the end face of the cylinder block, and most of them use a flat flow distribution method, making maintenance more convenient. The oil distribution plate is one of the key components of the axial piston pump. During pump operation, on the one hand, the high-pressure oil in the operating chamber pushes the cylinder body towards the oil distribution plate, and on the other hand, the oil film pressure between the oil distribution plate and the cylinder body forms a hydraulic reverse thrust on the cylinder body, causing the cylinder body to deviate from the oil distribution plate. The hydraulic clamping force Fn of the cylinder block on the oil distribution plate is slightly greater than the hydraulic reverse thrust Ff of the oil distribution plate on the cylinder block, that is, Fn/Ff=1.05-1.1, allowing the pump to operate normally and maintain a high volumetric efficiency.

The structural forms of plunger pumps: Plunger pumps are divided into two representative structural forms: axial piston pumps and radial piston pumps; Due to the fact that radial piston pumps are a new type of convenient pump with high technological content, with the continuous acceleration of localization, radial piston pumps will inevitably become an important component of the application field of piston pumps; A radial piston pump is a piston pump whose reciprocating motion direction is perpendicular to the driving shaft. Working principle of radial piston pump: The driving torque is transmitted from the drive shaft to the star shaped hydraulic cylinder rotor through a cross coupling, and the stator is not subjected to other lateral forces. The rotor is installed on the distribution shaft. The radially arranged plunger located in the rotor is tightly attached to the eccentric stroke stator through static pressure balanced sliding shoes. The plunger is connected to the sliding shoe ball joint and locked by a snap ring. Two retaining rings clamp the sliding shoes onto the travel stator. Characteristics of Plunger Pump: The displacement depends on the inclination angle of the pump's swash plate .

Maintenance of plunger pump: The plunger pump is supplied with oil by a supplementary oil pump. After 3000 hours of use, the operator needs to inspect the plunger pump 1-2 times a day to check whether the hydraulic pump operates normally. If it is found that the speed of the hydraulic cylinder has decreased or the vehicle is stuck, the oil pump should be disassembled and checked to see if there are scratches on the edge of the impeller and if the clearance between the internal gear pump is too large. For self priming plunger pumps, the oil in the hydraulic tank must not be lower than the lower limit of the oil gauge, and a sufficient amount of hydraulic oil must be maintained. The higher the cleanliness of hydraulic oil, the longer the service life of the hydraulic pump. The most important component of a plunger pump is the bearing. If there is clearance in the bearing, it cannot guarantee the normal clearance of the three pairs of friction pairs inside the hydraulic pump, and it will also damage the static hydraulic support oil film thickness of each friction pair, reducing the service life of the plunger pump bearings. Distinguishing the Quality of Plunger Pump: Checking the Discharge Pressure of Plunger Pump is Good.

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