The crushability of stone

The  crushability  of stone
Ease of crushed material, called fragility. The same broken machine crushed under the same operating conditions of different materials, its production capacity is different, which shows the fragile nature of a variety of different materials. Fragile nature and the material strength, hardness, density, uniformity of structure, moisture content, viscosity, cracks, surface shape and other factors. Strength and hardness of materials that are resistant to external forces, but the hardness of the material is not necessarily difficult to break, because the material is broken pieces split off, and therefore the determining factor is the difficulty of breaking strength of the material. Hardness and strength is not (ie, structural relaxation and brittle) material strength and hardness than the small (that is tough and soft) materials difficult to break. Hardness of the material, while not necessarily more difficult to disrupt, but not for grinding, crushing machinery colleagues also work surface is easy to wear. This is because the grinding process and the fragmentation process is different, the former is constantly working surface of the body in the material and generate a lot of fine grinding process, it is the process of grinding hardness greater than the impact strength.

Pieces of rock and mineral materials may reflect the difficulty of being broken. The same crushing machinery, under the same conditions, treatment and processing of hard rock and mineral materials, soft rock and mineral material compared to the previous situation of low processing power, large power consumption. Proposed combination of crushing process can be broken rock and mineral material coefficient, which reflects the strength of the material can also be used to quantitatively measure the crusher performance indicators. Therefore, the calculations in the broken, often involved in rock and mineral materials can be broken of. Therefore, the appropriate representation can be broken of it and the material must reflect the nature, condition and the broken relationship between the fineness of the product.

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