angel of nip in ball grinding mill
nip angle of roller mills parrocchiasantabarbarainagro it. Roll crusher roller peripheral speeds the feed size being a fixed quantity, for any given application, the only way to decrease nip angle is to increase the roll diameter for example, between the economical product ranges of the gyratory fine crusher, on the one hand, and the ball mill or rod mill, on the other, which the rolls fill ...