The working parts of the jaw crusher are two jaw plates, one fixed and one movable. Using the movable jaw to regularly approach the fixed jaw, which produces crushing, splitting, breaking and impacting effects on coarse or medium crushing materials of various hardness Crushing Equipment.
According to the different swing models of the movable jaw. The jaw crusher can be divided into simple swing jaw crushers (simple swing jaw crushers) and complex swing jaw crushers (compound swing jaw crushers). According to the relative height of the movable jaw suspension center and the horizontal plane of the feeding port, the compound swing jaw crusher can be divided into three types: zero suspension, positive suspension and negative suspension. With the jaw crusher keep improving, it's appeared in some other types of jaw crusher, mainly external moving jaw crushers and hydraulic jaw crushers. Due to the jaw crusher simple structure, safety and reliability, so that it is widely used in the crushing operation of materials in the industries of mining, metallurgy, building materials, transportation, water conservancy and chemical industry
The jaw crusher frame, due to the large impact load during work, so it has sufficient strength and stiffness. The machine frame is welded. The front wall of the rack is provided with a fixed jaw plate fastened by a fixed jaw plate screw.
The bearing seat adopts the overall structure, and the connection between the bearing seat and the frame adopts the connection structure of the inner connecting plate + bearing seat + bolts.
The rack Left and right inner side walls are equipped with an upper guard and a lower guard fastened by screws.
Jaw crusher performance and specifications:
Jaw crusher broken ratio usually is 4-6, the small jaw crusher broken ratio can reach 10, the large crusher feeding granularity can reach 1000-1200mm, and its product size can reach 200 ~ 250mm. The small crush and new type fine crushing use the jaw crusher can make the products finer, such as GXPE250 × 400 new type jaw crusher can Obtained P80 = 15mm crushed product. Jaw crusher specifications are expressed by the width (mm) × length (mm) of the feed port.
The width greater than 600mm are mainframes, 300-600mm are medium-sized machines, and smaller than 300mm are small-scale machines.
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