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Improving the effectiveness of the DiagBelt+ diagnostic system - analysis of the impact of measurement parameters on the quality of signals

Błażej Ryszard, Jurdziak Leszek, Kirjanów-Błażej Agata, Rzeszowska Aleksandra, Paweł Kostrzewa

Eksploatacja i Niezawodność

2024

Vol. 26, no. 3

art. no. 187275

The key issue for ensuring economic efficiency and continuous operation of conveyor transport is the recognition of the condition of the belt core. Faults in steel cords in the core are not visible during routine visual inspections, but they can be identified using magnetic diagnostic systems such as DiagBelt+. The article presents an analysis of the impact of the sensitivity threshold of the DiagBelt+ system, the diameter of cords in the core, and the belt speed on the quality of signals representing known damage: cutting of cords, their absence, and a reduction in the cross-section of the cord. The study focuses on defects to cords across the belt, as they can weaken the belt's strength and lead to a complete belt failure. The proposed results and analyses contribute to the improvement of the methodology for magnetic examination of the core's condition and the developed diagnostic system DiagBelt+. Consequently, this enhances the reliability and safety of belt conveyors in various industries, including brown coal mines where it has been implemented (PGE GiEK SA KWB O/Bełchatów), as well as in hard coal, limestone, and copper ore mines where it is used to assess the condition of belts with steel cords.