### ball mill bb 27Mine Equipments

ball mill bb 27. penoxCoplosa Rod Mills and Ball Mills are particularly suited to produce . The Ball Mill type BB 10 and BB 27 is produced with a cast iron and cylindrical hollow body Planetary Ball

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Nov 30 2008 · The critical speed (as I understand it) is where at the top of the mill the centrifugal force equals the force on the ball due to gravity. Therefore for any speed less than the critical speed the balls will drop at some point as they approach the top. Critical RPM = 76.6/(square root of the diameter of the mill

Get Price### A Method of C alculating Autogenous/ Semi-Autogenous

1.27 for the rod mill and 0.67 for the ball mill. The particle size distributions reported are shown in Figure 1. It follows that the No 1 rod mill/ball mill circuit was operating very efﬁ ciently when comparing the combined operating work indices for both mills with the rod mill and ball mill laboratory work indices.

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We offer autogenous (AG) semi-autogenous (SAG) ball rod and pebble mills in sizes ranging from kWs up to 30 MW. Our product range also includes a number of unique solutions including the world s largest acid-resistant grinding mills which can operate with extremely corrosive slurry.

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