Kawasaki Pump Parts For Sale

Kawasaki pump is mainly composed of three parts: coupling, hydraulic oil tank and oil filter, which can be coordinated to jointly promote the movement of the hydraulic pump.

The first is the coupling. The hydraulic pump drive shaft cannot withstand radial and axial forces, so it is not allowed to directly install pulleys, gears, sprockets at the shaft end, and usually the drive shaft and the pump drive shaft are connected with a coupling. If due to manufacturing reasons, the coaxiality of the hydraulic pump and the coupling exceeds the standard, and there is a deviation during assembly, the centrifugal force increases the deformation of the coupling as the speed of the hydraulic pump increases, and the deformation increases the centrifugal force, resulting in a vicious circle, which produces vibration noise, thereby affecting the service life of the hydraulic pump. In addition, there are influencing factors such as if the coupling column pin is loose and not tightened in time, and the rubber ring is not replaced in time.

The second is the hydraulic oil tank. The main function of the hydraulic oil tank in the hydraulic system is to store oil, dissipate heat, separate the air contained in the oil and eliminate foam. The selection of the oil tank should first consider its capacity, the general mobile equipment takes 2~3 times the maximum flow rate of the pump, and the stationary equipment takes 3~4 times: secondly, consider the oil level of the tank, when all the hydraulic cylinders of the system are extended out, the oil level of the tank shall not be lower than the lowest oil level, and the oil level shall not be higher than the highest oil level after the cylinder is retracted: Finally, consider the structure of the oil tank, the partition in the traditional oil tank can not play the role of precipitating dirt, and a vertical partition should be installed along the longitudinal axis of the tank. There is a space between one end of this partition and the end plate of the oil tank to connect the space on both sides of the partition, and the oil inlet and outlet of the hydraulic pump are arranged on both sides of the partition at the non-connected end, so that the distance between the oil inlet and the oil return is the farthest, and the hydraulic oil tank plays a more role in heat dissipation.

Finally, there is the oil filter. Generally, pollutants with particle size below 10um have less obvious impact on the pump, and greater than 10um, especially above 40um, have a significant impact on the service life of the pump. Solid pollution particles in hydraulic oil are very easy to aggravate the surface wear of the relative moving parts in the pump, so it is necessary to install an oil filter to reduce the degree of oil pollution. Filtration accuracy requirements: axial piston pump 10~15um, vane pump is 25um, gear pump is 40um. The contamination and wear of the pump can be controlled within the permissible range. At present, high-precision oil filters are increasingly used, which can greatly extend the service life of hydraulic pumps.

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