Conference Proceedings
Hoist and Haul 2005
Conference Proceedings
Hoist and Haul 2005
Calculation of Rope Life in Mine Hoisting Applications
An established method exists for the computation of rope lifetimes for shaft hoisting applications in the mining industry. In an earlier study, during the 1990s, an initial comparison of the calculated and actual rope life for various types of hoisting plants showed reasonably good correlation. In the meantime the calculation method has been developed further. The rotation behaviour of the rope during hoisting and the effects of multilayer spooling on drums are now considered in the assessment of expected rope lifetimes. The ability to determine an estimate of rope life in advance is particularly useful for mining companies. Such analysis allows them to predict the effects of rope choice in their particular application and thereby reduce the total cost of rope ownership. Such calculation techniques also allow designers of winding plants to identify aspects of the hoisting configuration that may negatively affect rope life. Often small (low-cost) changes, like increasing the diameter of head sheaves, can result in considerable improvements in rope performance. This paper describes the extended lifetime calculation method and gives further examples of the comparison between actual and calculated rope lives for operational double-drum mine hoists.
Contributor(s):
U Briem
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- Published: 2005
- PDF Size: 0.45 Mb.
- Unique ID: P200507040