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Fault diagnosis of four-column hydraulic press parts

by:WORLD     2022-10-03
Fault diagnosis of four-column hydraulic press parts


The main components of the four-column hydraulic press are crankshaft, bearing, air valve, piston rod, connecting rod, cooler, etc. The faults of these components are diagnosed.

The fault diagnosis of the whole machine is mainly the diagnosis and evaluation of the performance and strength of the four-column hydraulic press. In the performance evaluation, there are normal and abnormal functions, deterioration of failures, and analysis of the causes. In terms of strength evaluation, the reliability of main components is analyzed and their service life is predicted. On the basis of the performance and strength evaluation of the four-column hydraulic press, the repair and improvement methods are determined. For the fault diagnosis of the whole machine, as mentioned above, it must belong to the indirect diagnosis based on the secondary information. In order to avoid misdiagnosis, the identification theory must be applied. In the identification process, the object of diagnosis should be identified first, that is, the state to be identified; secondly, the characteristic parameters used for detection and diagnosis should be selected and the relationship between these characteristic parameters and the state to be diagnosed should be determined; finally, the principle of diagnosis and the theory of identification should be proposed. It is the main content of diagnostic theory. 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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