Mill (grinding)

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For other uses see Mill

A grinding mill is a tool that is designed to break a solid material into smaller pieces. There are many different types of grinding mills and many types of materials processed in them. Historically mills were powered by hand (mortar and pestle), working animal, wind (windmill) or water (watermill). Today they are also powered by electricity.

The grinding of solid matters occurs under exposure of mechanical forces that trench the structure by overcoming of the interior bonding forces. After the grinding the state of the solid is changed: the grain size, the grain size disposition and the grain shape.

With following aims is grinding very important for the process engineering:

  • magnification of the surface area of the solid ,
  • manufacturing of solid with wanted grain size,
  • making pulping of resources possible.


[edit] Types of grinding mills

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