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Service Life of Compacted Steel Wire Ropes on Varying Block Sheave Diameters

Abstract This paper describes an investigation of the differences in service lives between three steel wire rope constructions — one standard and two compacted — tested on varying sheave diameters. Test results indicate the following: 1) The differences in service life between standard and compacted ropes decreased on larger sheaves. This can be explained by mechanical treatment process used in the manufacture of compacted ropes. 2) The compacted Filler construction tested had a service life approximately 50% longer than a compacted Warrington Seale construction. Both had a diameter of 12.7 mm. 3) Service life increased up to 10 times when the sheave diameter was increased by 50%.