A feature of ball mills is their high specific energy consumption. a mill filled with balls, working idle, consumes approximately as much energy as at full-scale capacity, that is, during the grinding of material. therefore, it is most disadvantageous to use a ball mill at less than full capacity. ball mills have the following.A typical type of fine grinder is the ball mill. ... 0.% of the total world's power (see list of countries by electricity consumption). ... the power predictions for ball mills typically use the following form of the bond equation:. read.