hydraulic test pump gerotor hydraulic pump type of hydraulic pump

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Our website: www.pepfluid.com

down the job pressure piston pump.

?(2) optimization of planning boom cylinder and piston shape, decrease system work pressure. After optimization, the boom cylinder selection specification series 80/4. Piston displacement by the 10ml / r progress as 14ml / r, the system set pressure of 14MPa, to meet the boom cylinder lifting force and speed requirements.

?(3) In the application process should also pay attention to the use and protection of loaders accurate timing to increase or replace the hydraulic oil, the oil adhere to cleanliness, strengthen and protect normal view.

?Piston pump is used to a high pressure water flow, so that would have no impact to the water has a strong impact, the central portion of the high pressure water jet equipment. Due to the high operating efficiency of the piston pump, and the use of long life, so piston, the piston pump is the most common.

????Piston pump piston pump water capacity depends on the operating speed, it is necessary to pump the same amount of water into and out of. Piston pump water flow parameters are stable, that is, whether the device is not the same eruption under pressure out of the water flow is constant, and therefore, if the nozzle or a high pressure tube obstruction at presentation, could result in excessive pressure piston pump. Therefore, it is necessary within the device system equipped with pressure relief valve and the like equipment.

????Piston pump is through a fixed seal member, a piston moves back and forth. By reciprocating movement of the piston pump so that the pump chamber volume work cycle changes, complete suction and discharge liquid. The piston seal is mounted on the plunger, through a lubricated cylinder wall. It is mainly the use of the plunger reciprocates in the pump cylinder, the plunger and the pump wall forming volume changes, repeating suction and discharge of liquid and increase its pressure pumps. Piston pumps usually have a very good pre-use features, the advantage of having a rated pressure, compact structure, high efficiency and flow conditioning facilitation, but its drawback is not running excessive pressure, the use of life expectancy is shorter.

????Most likely cause of the malfunction equipment is usually not due to the onset of the pump, the pump is usually caused by problems of wear member or members, such as nozzle wear caused by the sealing member. Generally, the lack of water into the pump, is one of the main reasons leading to the early onset of pump failure during use, usually it is due to the water inlet pipe diameter is too small or lack, so that there is not enough water then enters the pump internal, so the appearance of the pump caused by cavitation, the cavitation so that the mixing of water in the gas attack small blast overpressure damage, so that the piston outer wear.

????The reason why high-pressure water jet equipment weak momentum, are due to piston can imagine, is how important the piston.

?Precautions new hydraulic excavator Replace after

????(1) at any time pay attention to anomalies found

Abnormal sound, vibration or abnormal signal monitoring systems, etc., must have their reasons, one found there are anomalies, immediately got circuit diagram, what you want, be careful survey anomalies are formed not for temporary fault. Evaluation or need to stop treatment. Jufan pressure, load, temperature, time, start-up, when the suspension contains the cause of the anomaly may have occurred. That should be itemized analysis usual discussion.

(2) Do not start immediately after the hydraulic pump is applied to the load

Pump shall be implemented in a period of time after the engine idling with no load (about 10 minutes to 30 minutes), especially when the temperature is low, the process is more subject to temperature vehicles, the hydraulic circuit coupled to the load normal cycle, and to acknowledge the work situation.

(3) to investigate the oil change

Check carefully the maximum and minimum oil temperature change the situation and find out the text ambient temperature oil contact, so the ability to know the cooler capacity, storage tank capacity is not with the surrounding conditions, the use of co-ordination conditions, the cooling system can eliminate problems before tracked.

(4) pay attention to the hydraulic pump noise

The new pre-pump wear less vulnerable to the impact of bubbles and dust, smooth bad condition or use of the high temperature overload, etc., can lead to adverse consequences, so that the pump does not normally announce impact.

(5) Check carefully to show the value of Keiki class

Ready to investigate the apparent value of the hydraulic circuit pressure gauges, pressure switches and other oscillation signal sight and stability, the role of early detection of the hydraulic circuit is not normal.

(6) pay attention to investigate the case of a mechanical action (on the modified pump)

Inappropriate or poor planning of the hydraulic circuit components manufacturing, during the initial application is not easy to find, it should use special care in a variety of conditions showing the action situation.

(7) carefully adjust the valves within

Fully aware of the pressure control valves, flow control valves and directional control valves use, and limit the size of the adjustment required special care, or adjust the fault not only mechanical damage and more of a security threat.

(8) See filter case

Of the loop filter should be removed and cleaned regularly, and see the situation and dirt filter medium adsorbed, analyze quality, quantity and size, so the loop can investigate contamination, even infer the source of contamination sites.

　　(9) See the timing of hydraulic oil change

Every one or two months view analysis of hydraulic oil deterioration, discoloration and contamination degree of change, in order to ensure the normal hydraulic transmission medium.

(10) the situation carefully leaked pipe part

Country: China (Mainland)
Business Type: Manufacturer,Trading Company
Market:
Founded Year:2009
Address:中国浙江宁波市鄞州区诚信东路388号（福庆南路欧琳集团东面）
Contact:hansen Huang

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