Reasons for premature wear of hoist ropes used in the skip hoist Analysis of the technical condition exhibited by a rope which was dismantled after number of wire breaks had reached 1509

Reasons for premature wear of hoist ropes used in the skip hoist Analysis of the technical condition exhibited by a rope which was dismantled after number of wire breaks had reached 1509

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The paper refers to issues of fatigue wear exhibited by hoist ropes used in skip-type mining hoists. The problem is highlighted by presentation of characteristic curves for fatigue wear obtained for the hoist rope with diameter of 65 mm, whereas the curves were plotted on the basis of fatigue breaks of wires. The inspection results are made with regard to the mechanical properties of wires within the rope after dismantling it from the winder. The examination made it possible to determine the reasons for such a short lifetime of the hoist rope and to propose technical solutions to extend operation time of the ropes in the hoist in question.

Author: M. Nowak