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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.
The Jaw Crusher series utilizes a high eccentric throw on the main shaft, which increases crushing capacity throughput. The swing and fixed jaw liners are both reversible for longer wear durability. Jaw liners and side plates are easily removed and installed for minimum down time of operation.
These crusher are all fully fabricated steel main frames, and their weight factors allow these machines to be used in a wide range of Crushing Plants, both fixed and mobile. There are 11 models in the PE series with capacities ranging up to 1000 TPH.
The PEX Jaw Crusher is a similar style of machine, however is designed to operate as a Secondary or Tertiary crusher. With wide jaws and comparatively narrow “Gape”, these machines are commonly known as “Granulators,” due to their efficiency in forming a granular or cubical shap.