A cone crusher is mechanical device that reduces the size of rocks through a crushing process. It is one of several types of rock crushers that are used primarily in mining and construction. Rock crushing is a part of the processing of materials that are used in trenchless construction, such as concrete, drilling mud or gravel.
Before the development of mechanized technologies, most rock crushing was accomplished by hand. The extraction of minerals, coal mining and rock quarrying depended on strong men with hammers. Today, there are a variety of machines for reducing the size of rocks, including jaw crushers, gyratory crushers, impact crushers and cone crushers.
The cone crusher, introduced by the Symons brothers of Milwaukee in the 1920s, is a durable and simple solution that has made its mark. The technology continues to develop, and there are now several types of cone crushers, including the spring cone crusher, the compound cone crusher, the hydraulic cone crusher, and the gyratory crusher.
The technology depends on strong manganese or steel alloys that comprise the hard components of the crusher. Rocks disintegrate as they are dropped into the gap between the crushing mantle and the walls of the chamber. Cone crushers generally handle medium-hard mineral rocks and stones.
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