Jaw crusher in mining, building materials, infrastructure and other sectors is mainly used for coarse crusher and the crusher. According to the feed opening width size into large, medium and small three kinds of feed opening width is greater than 600MM for large machines, feed port width for the medium-sized machine feed inlet 300-600MM a width less than 300MM for small machine. Jaw crusher simple structure, easy to manufacture, reliable work.
Working part jaw crusher is two jaws, one fixed jaw plate (fixed jaw), vertical (or upper end slightly extraversion) fixed to the front wall of the body, and the other is movable jaw plate (moving jaw), location inclined to form the next big small crushing chamber (working chamber) and the fixed jaw plate. Movable jaw against the fixed jaw do periodic reciprocating motion, sometimes separately, sometimes close. When separated, the material into the crushing chamber, finished unloading from the bottom; when approached so mounted between the two jaw plate material by extrusion, bending and splitting the role of fragmentation.
Jaw crusher according to the movable jaw swing in different ways, can be divided into simple swing jaw crusher (jaw crusher simple pendulum). Complex swing jaw crusher (compound pendulum jaw crusher) and integrated swing jaw crusher.
Development History Of Jaw Crusher
Modern machinery is crushed after the steam engine and electric motor and other power machinery gradual improvement and promotion have been created. In 1806 appeared with a steam-driven roll crusher; 1858, American Blake invented the crush rock jaw crusher; 1878, the United States has developed a continuous crushing operation of the gyratory crusher, its productivity is higher than intermittently crushed action jaw crusher; 1895, American William invention is low energy impact crusher.
In the twenty-1980s, 800 tons of material per hour crushed large jaw crusher feed size has reached about 1800 mm. Commonly used jaw crusher has two elbows and a single plate brackets. The former fixed jaw at work only to make a simple swing arc, it is also called a simple swing jaw crusher; the latter, while the swing arc also move up and down.
- low noise, less dust.
- the crushing ratio, uniform particle size.
- simple structure, reliable operation and low operating costs.
- lubrication system safe and reliable, easy to replace parts, equipment maintenance is simple.
- the crushing chamber depth and no dead zone, increase the feed capacity and output.
- energy-saving equipment: stand-alone energy-saving 15% to 30%, more than double the energy-saving system.
- nesting population adjustment range, to meet the requirements of different users.
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