how small will ball mill crush rock

   The size to which a ball mill can crush rock depends on several factors, including the size and hardness of the rock, the type of ball mill being used, and the duration and efficiency of the milling process.

Ball mills are commonly used in the mining and mineral processing industry to grind ores and other materials. They operate by rotating a cylinder containing balls of varying sizes, which collide with the material being milled, breaking it down into smaller particles.

The typical size reduction achieved by a ball mill can range from large chunks of ore down to very fine powders. In general, ball mills can crush rocks to sizes ranging from a few millimeters to sub-micron levels. However, the exact size achieved will depend on factors such as the feed size of the rock, the speed of the mill, the size and quantity of balls used, and the duration of the milling process.

For example, a ball mill operating at high speed with large balls will tend to produce larger particles, while a slower speed and smaller balls may result in finer particles. Additionally, some rocks are harder and more resistant to crushing, requiring more energy and time to achieve the desired size reduction.

Overall, ball mills offer versatility in terms of the size range of particles they can produce, making them suitable for a wide range of applications in various industries.