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Detailed explanation of three maintenance methods for single-column hydraulic press failure

by:WORLD     2022-11-10
Detailed explanation of three maintenance methods for single-column hydraulic press failure


1. Replacement method



It is to replace (exchange) the same components on a single-column hydraulic press of the same type, structure and principle, and install them in the same position to prove whether the replaced components work reliably. For example, replace the components of machine A to machine B and start observation to prove the quality of the components.





The advantage of the replacement method is that even if the technical level of the repair personnel is low, this method can be used to make accurate diagnosis of the failure of the single-column hydraulic press. However, the use of this method must be based on a single-column hydraulic press of the same type, the same structure, the same hydraulic principle and the same hydraulic components, so this method has great limitations and certain blindness.




The auxiliary method







With the help of simple auxiliary parts, it is possible to diagnose whether the hydraulic components of the single-column hydraulic press are faulty.




1. Oil plugging method: If the oil port of the valve element and the oil port of the oil cylinder are blocked, the leakage and failure of these hydraulic components can be diagnosed.




2. Artificial reversing method: use the ejector rod to reverse the valve components, which can diagnose whether the reversing valve has faults such as stuck, valve core not in place, etc.​​





The auxiliary method can diagnose whether the hydraulic components are faulty without disassembling the components, avoiding excessive disassembly workload, reducing fault diagnosis time, and facilitating rapid diagnosis, especially for large cylinder seals, etc., the diagnosis of this type of fault is very important. good usability.




3. Empirical method





By mastering the hydraulic system of the single-column hydraulic press, the repair personnel are familiar with the structure and working principle of each hydraulic component, and on the basis of accumulating rich experience in the repair of the single-column hydraulic press, conduct a comprehensive analysis and comparison of the failures of the single-column hydraulic press, And make an accurate diagnosis quickly. This article is from the official website of the manufacturer WORLD Press Machine www.pressmachine-world.com, please indicate the source for reprinting!






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