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Dynamox’s technology once again proved effective in detecting failures in advance. This time, in identifying a problem in the pulley side frame, a complex component to analyze, in Vale‘s conveyor belts.
The following images show the Spectral Envelope graphs, including the circular waveform, before and after repairing the asset:
After identifying the failure, as shown in the graphs above, it is worth emphasizing the importance of triaxial measurements. After all, one of the directions only showed changes when the defect became a risk of collapse, while the other two directions already showed abnormal levels.
Furthermore, triaxial collection has the advantage of allowing the severity of the defect to be determined, in addition to the traditional means of monitoring amplitude evolution. In this case, it was possible to assess the asset by going through the following stages: no defect identified, defect identified, and then “defect with risk of collapse”.
Find more cases like this on our blog.
You can also read: Dynamox identifies failure in paper machine dryer cylinder
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