Optimal parameters of dump trucks for open pit mining
Abstract
The solution of the problem of transportation of large volumes of rock mass at open-pit mining operations depends to a great extent on increasing productivity and cheapening the operation of rail transport. An important role should be given to the improvement of wagon designs, which account for 65% of metal consumption and up to 40% of maintenance, repair and depreciation costs in relation to the total costs of rolling stock.As the analysis of transportation equipment operation at open pits shows, the current situation with the equipment of open-pit mining operations with dumpcars cannot be considered satisfactory: a) the nomenclature of manufactured dumpcars is small; b) the strength of the main components of the wagon in general and especially when used for loading of excavators is low. Therefore, it is necessary to design and manufacture new types of dumpcars for open-pit mining operations.
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