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1. Introduction. The ball size is one of the critical factors for determining the mill performance of ball mills. It is well known that larger balls are needed for the effective breakage of large-size particles whereas smaller balls are more effective for the breakage of fine particles.

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Theory and Practice for . Jar Ball and Pebble Milling . Types of Mills . Ball and Pebble Mills The expressions "ball milling" and "pebble milling" are frequently used interchangeably. Usually however a ball mill is referred to as one that uses steel balls as grinding media while a pebble mill is one that uses

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the mill is used primarily to lift the load (medium and charge). Additional power is required to keep the mill rotating. 8.1.3 Power drawn by ball semi-autogenous and autogenous mills A simplified picture of the mill load is shown in Figure 8.3 Ad this can be used to establish the essential features of a model for mill

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Jun 25 2018 · Mill effective diameter = 2.23 m . 335 is a constant used for dry grinding with steel balls in the mill. Actual size of media is taken is lower than the calculated value. It is around 80 to 90 mm. If you Wants to reduce the maximum ball size thenreduce the feed size by using pre-grinding operation.

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1. Introduction. The ball size is one of the critical factors for determining the mill performance of ball mills. It is well known that larger balls are needed for the effective breakage of large-size particles whereas smaller balls are more effective for the breakage of fine particles.

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Ball mill. A typical type of fine grinder is the ball mill.A slightly inclined or horizontal rotating cylinder is partially filled with balls usually stone or metal which grind material to the necessary fineness by friction and impact with the tumbling balls. Ball mills normally operate with an approximate ball charge of 30 .

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