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A crusher is a mechanical device that crushes large-sized solid raw materials to the required size. The crusher is composed of coarse crushing, fine crushing, and wind conveying devices, which achieve the purpose of the crusher through high-speed impact. Utilizing wind energy to produce powder in one go eliminates the traditional screening process. Mainly used in various industries such as mining and building materials.

According to the D90 standard for required material fineness, 90% of the materials can be classified into crushers with a fineness below 60 mesh, crushers with a fineness between 60-120 mesh, ultrafine crushers with a fineness between 120-300 mesh, and ultrafine crushers with a fineness above 300 mesh.

The external forces applied to the material during the crushing process include rolling, shearing, impact, and grinding. Rolling is mainly used for coarse and medium crushing, suitable for crushing hard and large materials. Shear is mainly used for crushing or crushing, suitable for tough or fibrous materials. Impact is mainly used for crushing and depolymerization, suitable for brittle materials. Grinding is mainly used for ultrafine crushing, and ultrafine crushing is suitable for ultrafine crushing after medium fineness crushing.

A crusher is a mechanical device that crushes large-sized solid raw materials to the required size.

According to the size of the crushed or processed material, crushers can be classified into coarse crushers, crushers, and ultrafine crushers.

There are four types of external forces applied to solids during the crushing process: shearing, impact, crushing, and grinding. Shear is mainly used in coarse crushing and crushing operations, suitable for the crushing or crushing of tough or fibrous materials and large blocks. Impact is mainly used in crushing operations, suitable for the crushing and rolling of brittle materials. It is mainly used in ultra-fine crushing operations, suitable for most properties of materials for ultrafine crushing operations. Grinding is mainly used in ultrafine crushing or ultra large crushing equipment, suitable for further crushing operations after crushing operations.

The actual crushing process often involves several external forces acting simultaneously, but high-end crushers are tailor-made according to the crushing environment.