How much do you know about the life of hydraulic pumps?

The hydraulic pump because of its importance than other parts have higher production requirements, though, but the hydraulic pump and other accessories, with the use of time and environment and gradually aging, or because of improper use has many problems, these are the performance of old hydraulic pump.

The aging of the hydraulic pump also indicates that the life is about to end, then, the actual life of hydraulic pump is long, can achieve the intended use of the years? Of course, these are still to see how you use and maintenance, the following Xiaobian to share with you the hydraulic pump "longevity" secret.

The first is to analysis of factors causing the short life of a hydraulic pump, so as to "friends, baizhanbudai". The influence of hydraulic pump life shortening factor has its own design and manufacture factors, hydraulic pump components, commissioning process operation etc..

The working principle of the hydraulic pump is that the movement brings the change of the pump chamber volume, thus compresses the fluid to make the fluid have the pressure energy. The required condition is that the pump chamber has a sealed volume change.

In addition to the above issues, but also pay attention to the control of oil temperature, mainly the oil temperature is too high. The factors causing the temperature also has many kinds, including the volume of the tank is too small, the radiating area is not enough, the amount of oil storage tank is too small, the environment temperature is higher, cooler malfunction; no unloading circuit system, to stop working when the pump is still in high pressure overflow; tubing are too small and too long, bending too much pressure. The loss is too large, component processing precision is not high, the relative motion of friction heating too much.

Engineering machinery hydraulic system oil temperature is generally about 30 degrees to 80 degrees in the range of good, high temperature to produce a series of adverse effects on the system, such as the decrease of viscosity, leakage increases, volumetric efficiency decreased, resulting in hydraulic speed instability, will cause thermal expansion between the different amplitude space changes, even the death card, will cause the oil deterioration, seals aging, loss of seal etc..

In addition, from the use and maintenance of the point of view, we should also pay attention to several aspects:

1, when the system does not work, the pump must be uninstalled;

2, choose the viscosity of oil correctly

3, always keep the correct oil level in the tank, so that the oil has enough circulating cooling oil;

4. Always keep enough water in the cooler and smooth the pipeline;