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The hydraulic system will have different failure phenomena in different operation stages. Dalan Hydraulics tells you that the main performances of the hydraulic system will have different failure phenomena in different stages of operation in the following stages. Dalan Hydraulics tells you that the main performances are as follows. Stages:
1, no-load debugging stage
The hydraulic system at this stage has the highest failure rate and is more complicated. It is characterized by the problems of design, manufacture, installation and management. In addition to mechanical and electrical problems, common hydraulic system failures are as follows:
1 Component connection leaks.
2 The valve core is stuck or the movement is not flexible, causing the actuator to malfunction.
3 The damper hole is blocked, causing the system pressure to be unstable or the pressure to be adjusted.
4 valve components are missing springs or seals, or the pipes are connected incorrectly to make the operation disorder.
5 improper design, improper selection, so that the system is hot, or the movement is not coordinated.
6 hydraulic parts processing quality is poor, or the installation quality is poor, resulting in valve movement is not flexible.
7 oil block block channel design error.
8 Control system components are not working properly.
2, with the trial run phase
After the no-load debugging is completed, many problems have been solved, and after a period of no-load running, the system oil is relatively clean, the valve core is stuck, the movement is not flexible, and the damping hole is blocked. The problem is mainly Expressed in the following aspects:
1 Position accuracy and synchronization accuracy are not up to standard.
2 system back pressure is too large, design pressure can not drive the load.
3 improper design choices cause the system to heat up.
4 The pressure component setting value is unreasonable.
5 The oil filter is clogged.
3. Stable operation stage
After a period of trial operation, the hydraulic system will have a stable operation period, and there will be no major problems. The main problems are mainly in the following aspects:
1 Leakage caused by seal aging, damage and loose bolts.
2 The filter is clogged, the oil problem, etc. cause a malfunction.
3 Incorrect operation and maintenance caused failure.
4, the component failure rate is high
After the running time of the hydraulic system reaches the life of the component, the components such as the pump and the motor begin to fail one after another. The main problems are as follows:
1 The component wear is seriously caused to increase the internal leakage of the system.
2 The pressure element spring becomes soft and the pressure is abnormal.
3 The pump is seriously worn, resulting in insufficient oil supply and pressure.
4 cylinder seal is seriously damaged.
----- Editor-in-Chief: Dalan Oil Pump Motor 02-Procurement Consultant
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