Nachi Pumps Pare Parts

When repairing or installing nachi pumps pare parts by yourself, everyone will encounter some problems more or less. I think knowing how they work can help you better.Hydraulic gear pump working principle is when the gear rotation, the gear off side of the space volume from small to large, the formation of a vacuum, the liquid rest inhalation, gear meshing side of the space from small to small, and the liquid squeezed into the pipeline. In terms of terms, gear pump is also called a positive displacement device, that is, like a piston in a cylinder, when a tooth into the fluid space of another tooth, because the liquid is incompressible, so the liquid and the tooth can not occupy the same space at the same time, so the liquid is mechanically squeezed out. Because of the continuous engagement of the teeth, this phenomenon occurs continuously, and thus provides a continuous discharge at the pump outlet, the pump every turn, the discharge amount is the same. With the continuous rotation of the drive shaft, the pump is continuously discharged. The flow of the pump is directly related to the speed of the pump.

Hydraulic gear pump in the installation, the base or support should have enough stiffness, so that the hydraulic gear pump in addition to the torsion generated by the shaft rotation, in principle should not bear the role of other forces;The coaxiality between the connecting shafts is not greater than 0.05mm; Hydraulic gear pump should run according to the calibrated rotation direction, pay attention to the position of the oil inlet, the big hole is the oil inlet. At the same time, the hydraulic system must be set up safety valve, uncertain device, the tank must be dustproof, to prevent mud sand and other debris into the oil and regular cleaning, oil suction pipe as short as possible, generally not more than 500mm, should be used as little as possible elbow, oil pipe shall not leak phenomenon. During installation, the drive shaft of the pump is not allowed to bear radial force and axial force. For example, the length of spline sleeve shall not exceed the effective length of spline of the pump driving shaft, and the power shaft end and coupling sleeve shall not have any axial offset with the spline end of the gear pump shaft and the shaft step. In addition, attention should be paid to the installation of the driving shaft of the pump and the output shaft of the prime mover coaxiality shall not be larger than 0.05mm, and the installation plane of the pump support and the verticality of the stop shall not be greater than 0.05mm. The two ends of the connecting part of the coupling sleeve should also be guaranteed to be within 0.05mm coaxiality.

Gear pump installation and use of the need to have a certain professional ability, if you have any problem, please find the pump professional company for repair, the elephant fluid power maintenance and production of gear pump is a professional company, we have trained technical personnel, they have professional knowledge and ability, can provide the best solution for you, at the same time, our production scale is big, fast And we have a large inventory. If you have a high demand for the goods, we can also provide them for you. If you want to know more about gear pump knowledge please contact us.

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