(Power Tool)

Logo of Crusher
Power Tool
Link to Dbpedia

What is Crusher?

A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, sand or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated. Crushing is the process of transferring a force amplified by mechanical advantage through a material made of molecules that bond together more strongly, and resist deformation more, than those in the material being crushed do. Crushing devices hold material between two parallel or tangent solid surfaces, and apply sufficient force to bring the surfaces together to generate enough energy within the material being crushed so that its molecules separate from (fracturing), or change alignment in relation to (deformation), each other. The earliest crushers were hand-held stones, where the weight of the stone provided a boost to muscle power, used against a stone anvil. Querns and mortars are types of these crushing devices.

Technology Types

mining equipmentpower toolrecycling


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Tech Info

Important Persons & Organizations

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    Sources: DBpedia, Github, Wikidata
     — Date merged: 2/4/2022, 5:45:25 PM
     — Date scraped: 5/20/2021, 4:22:54 PM