Economical mining of hard rock Surface Miner 2500 SM
surface miners are in operation in the hard-rock mining industry around the globe. Cutting performance (m³/h) Unconfi ned compressive strength (MPa) 0 10 20 30 40 50 60 70 80 90 100 110 120 1,400 1,200 1,000 800 600 400 200 0 Loose rock Fine-grained rock Coarse-grained rock Solid rock Cutting performance of the Wirtgen 2500 SM surface miner
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