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Common fault maintenance methods of single-column hydraulic press

by:WORLD     2022-11-10
Single-column hydraulic presses are widely used in industrial production, but the failure of single-column hydraulic presses seriously affects production efficiency, so how to quickly and accurately determine the causes of single-column hydraulic presses is particularly important. WORLD Press Machine Machinery introduces three methods commonly used in single-column hydraulic press fault maintenance, and hope to help you.








1. Replacement method

That is: take the same components on the single-column hydraulic press of the same type, the same structure, and the same basic principle, and replace (exchange) and install them on the same part to confirm whether the replaced components are reliable in work. For example, the components of machine A are replaced in machine B and the observation is started to confirm the pros and cons of this component.

The advantage of the replacement method depends on the fact that even if the technical strength of the maintenance staff is low, this method can be used to accurately diagnose the common faults of the single-column hydraulic press.

However, the application 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 considerable limitations and certain one-sidedness.












Second, the auxiliary method.

With the help of simple auxiliary parts, it is possible to diagnose whether the hydraulic parts of the single-column hydraulic press have common faults.

Oil plugging method: If the oil holes of valve components and hydraulic cylinder oil holes are plugged, it can be diagnosed whether the hydraulic parts are leaking and invalid.

Manual commutation method: use the ejector rod to replace the directional valve commutation, which can diagnose the faults of the directional valve such as dead valve and valve core not in place.



The auxiliary method can diagnose whether the hydraulic parts of the single-column hydraulic press have common faults without disassembling the hydraulic components, which prevents excessive disassembly and assembly labor, reduces the fault detection time, and is conducive to rapid diagnosis. High pertinence, the diagnosis of this type of common faults has very good applicability.





Three, work experience method

By mastering the hydraulic system of the single-column hydraulic press, the maintenance staff are familiar with the structure and working principle of the hydraulic components, and on the basis of accumulating the repairing experience of the single-column hydraulic press, comprehensively analyze and compare the faults of the single-column hydraulic press, and quickly and accurately carry out the fault diagnosis. diagnosis.





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