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How Do You Crush Iron Ore

Autogenous mills crush the ore without the need for iron or steel grinding media.They are used when the ore is hard enough for the tumbling ore to grind itself.In sag milling, 0.15 m 3 of 13 cm diameter iron or steel balls are added into the mill per 0.85 m 3 of ore i.E.15 vol.- steel to assist grinding.Sag mills are much more common.

Gyratory And Cone Crusher Sciencedirect

A primary gyratory crusher was required to crush iron ore at the rate of 3000 th.The largest size of the run-of-mine ore was 1000 mm.The required product size was less than 162 mm.Manufacturers data indicated that the nearest size of gyratory crusher would be 1370 mm.

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