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Tocalculatethe critical speed ne of aball mill introduction generally theball millsare known as the secondary size reduction equipment theball millis made in a great many types and sizes and can be used on a greater variety of soft materials than any other type of machine thefeedmust be nonabrasive with a hardness of 15 or less

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Tocalculatethe critical speed ne of aball mill introduction generally theball millsare known as the secondary size reduction equipment theball millis made in a great many types and sizes and can be used on a greater variety of soft materials than any other type of machine thefeedmust be nonabrasive with a hardness of 15 or less

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Theball millis the most common ore grinding technology today and probably more than 50 of the total world energy consumption for ore grinding is consumed inball mills

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