Rod mills operate at lower speed than ball mills since the rods are rolled and not cascaded. For an equivalent grind, a rod mill uses less steel than a ball mill because of the lower speed and better contact between the media and ore. The rod charge must be maintained in good working condition, and broken and worn rods must be removed.
Ball mill working principleball mill manufacturer. Therefore grinding material will have a size limit for quartz raw materials can be ball mill grinding granular limit to 1 micron or so as another example the extreme value of limestone for 3 5 microns in other words when the material grindi. Read the rest >