Jaw crusher has a simple structure, easy to manufacture, reliable, easy maintenance and so on are widely used in mining, smelting, building material, highway, railway, water conservancy and chemical industries. With the progress of industrial technology, the structure of the jaw crusher is also constantly upgrading.
Jaw crusher rack accounted for a large proportion of the whole mass. Foreign jaw crusher are welded frame, even moving jaw also welded structure. Jaw crusher with welded frame is the development direction. Domestic jaw crusher frame unreasonable structure design examples are many, the reason is not according to the actual crusher to the forces arranged ribs. Movable jaw structure design should also be movable jaw force as the basis, to meet the strength and stiffness requirements of the conditions, to minimize quality.
Furthermore, it should strengthen the rack, moving jaw finite element study, carried out the rack, moving jaw finite element optimization design, to achieve the rack, the quality of light moving jaw have a high degree of reliability. Also, reasonably determine the parameters of the crusher, crushing chamber, so the crusher can make use of the power balance calculation to optimize the design.
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