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An industrial shredder is a machine used for reducing the size of all kinds of material. Industrial shredders come in many different sizes and design variations for different applications.
The main categories of designs used today are as follows: horizontal hammermills, vertical hammermills, slow speed shear type shredders of single, dual, triple and quad shaft design, single shaft grinders of single or dual shaft design, granulators, knife hogs, raspers, maulers, flails, crackermills, and refining mills. Industrial shredder components include a rotor, counter blades, housing, motor, transmission system, power system and electrical control system.
Some examples of materials that are commonly shredded are: tires, metals, car wrecks, wood, plastics, leathers, papers and garbage. The industrial shredder is commonly used to process materials into different sizes for separation or to reduce the cost of transport. Waste materials such as municipal solid waste, radioactive waste, medical waste, and hazardous waste are shredded in treatment and disposal systems.
Because the hardness of materials differs, the blades on shredders are also slightly different.