Strength interpretation of non-destructive testing of steel ropes and steel-cord conveyor belts

Strength interpretation of non-destructive testing of steel ropes and steel-cord conveyor belts

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Magnetic NDT instruments detect faults in steel ropes and steel-cord rubber belts such as local wire breaks, steel cord ruptures and decrease of metallic rope or belt cross section due to corrosion and/or wire deterioration (Sukhorukov, 2001 and Langebrake et al., 1998). Decoding the local faults (LF) record and loss of metallic area (LMA) record demonstrates the distribution of wire/steel-cord rope breaks and wire loss along the inspected part of the rope or the belt. For a decision upon the strength of the tested object, NDT data are interpreted by a mechanical approach into strength parameters which can serve as working capacity diagnostic indicators (Volokhovsky et al., 2003).

Author(s): A. Vorontsov, V. Volokhovsky, V. Sukhorukov and I. Shpakov