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The crushing energy in mineral processing industry is usually determined by experimental Bond’s index regardless mechanical parameters of rocks. Bond’s index is a comminution parameter which was defined by Bond. In this study, with the purpose of correlating the strain energy of rock to the corresponding energy estimated by Bond’s index, cubic Granite specimens are simulated between two rigid jaws and are broken due to movement one of the jaws against the other. The specimens are modeled as elasto-plastic medium a...

Mechanical size reduction by using crusher and grinding mill is widely used in the aggregate producing industry and the mineral industry. In this study, physical, mechanical crushing and grinding properties of the rock specimens obtained from different bedrock were determined by using 8 different tests, to characterize the relationships between physico-mechanical properties of rocks and mechanical size reduction efficiency. The rock specimens were tested according to the procedures recommended by the ISRM (1981). ...