The Hammer mill is a machine whose foremost use is to cut up materials into smaller particles. When placed in an industry the mill can be used in many diverse ways. The theory of the hammer mill is clear-cut. The mill is basically a steel drum, which contains a horizontal or vertical cross-shaped rotor that has pivoting hammers mounted on it. What the hammers do is they just swing from the split ends of the traverse. The rotor spins at a high speed in the drum while shredding materials are fed onto the hammer mills hopper.

The materials for shredding are afterwards compressed by the hammers, which are placed at the ends of the mill where the rotating cross is mounted and thus, they are shredded and excluded via the screen, which is placed on the drum of the hammer mill.
The advantages of owning a hammer mill:
- Hammer mills can be used to produce a wide array of particle sizes.
- The mill works with any fibers or friable materials.
- The machine is very easy to use.
- The hammer mill requires very little or no maintenance.
- Lesser initial reserves when put side by side with the roller mill.
- The particles manufactured using the hammer mill are generally spherical, with there surfaces appearing polished.
- The hammer mill is also energy proficient when contrasted to the roller mill.
- Hammer mills generate heat, which can be used heat up the surround areas.
- The mill operates using ring or hammer blows to disintegrate and shatter materials.
- The way the machine is structured allows for easy access for replacements and adjustments.
- The machine is accessible for an assortment of size lessening functions.
- The hammer mill is one of the most resourceful and universal machines used in manufacturing rock-solid measured quantities.
- Hammer mills consume very little in regards to electricity.