Solutions to Common Faults of Hydraulic Press Machine
Solutions to Common Faults of Hydraulic Press Machine
Date：2022-10-19
Hydraulic press machine is composed of mechanical, hydraulic, electrical and other devices, so the faults that occur are also a combination of various factors and various forms. A variety of reasons may cause the same fault phenomenon, so the accurate diagnosis of the fault requires certain practical experience. For example, if the hydraulic cylinder does not move, it may be a circuit failure, maybe a hydraulic pump failure, or the spool of the reversing valve is stuck, or it may be a serious internal leakage caused by the failure of the sealing ring in the cylinder, so it is necessary to accurately determine the cause of the failure.
The two most important parameters in hydraulic transmission are pressure and flow. The speed of hydraulic transmission depends on the flow, and the pressure depends on the load. The normal operation of the hydraulic system depends on whether these two parameters are normal. When the hydraulic press machine is working normally, the pressure flow and other parameters in the circuit should be within the design value range. When the parameters seriously deviate from the design value, the system will fail, so the essence of the failure is the abnormality of the system parameters. During normal operation, a certain component in the hydraulic system must be faulty, and it can be concluded that the parameters before and after this component must be abnormal. If the key point parameters of the hydraulic system can be monitored, maintenance personnel can quickly diagnose and eliminate faults through changes in parameters and relevant experience.
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