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Jaw crusher is the vital equipment in crushing industry.
Appliable Materials: Limestone, granite, pebbles, cobble, iron ore, basalt and all kinds of hard and soft ores with compressive strength not higher than 320 Mpa.
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Stone crushing machine is used to crush large-sized rocks into fragments by the ways of extruding, splitting, bending, impacting and rolling. Commonly used stone crushing machines are stone jaw crusher, stone cone crusher, hammer stone crusher, roll stone crusher and stone impact crusher, etc
Jaw crusher is commonly known as jaw breaking, also known as tiger mouth. A crushing chamber is composed of two jaw plates, a movable jaw and a static jaw, which simulates the movement of the two jaws of the animal to complete the crushing operation of the material. It is widely used in the crushing of various ores and bulk materials in mining smelting, building materials, highways, railways, water conservancy and chemical industries. The highest compressive strength of the crushed material is 320Mpa
As far as jaw crushers are concerned, although the structure types are different, their working principles are basically similar, only the moving trajectory of the movable jaw is different. In a nutshell, when the movable jaws make periodic reciprocating movements around the suspension axis to the fixed jaws, sometimes approaching and leaving, the ore is between the two jaws It is broken by the combined action of crushing, splitting and bending and breaking; when the movable jaw plate leaves the fixed jaw plate, the crushed ore is discharged through the ore discharge port of the crusher under the action of gravity
The movable jaw is hung on the mandrel and can swing left and right. When the eccentric shaft rotates, the connecting rod reciprocates up and down, driving the two thrust plates to reciprocate, so as to push the movable jaw to reciprocate left and right to achieve crushing and unloading. This type of crusher adopts a crank double connecting rod mechanism. Although there is a large crushing reaction force on the movable jaw, but its eccentric shaft and connecting rod are not stressed, so it is made into large and medium-sized machines in industry. To break hard materials. In addition, when this crusher is working, the movement trajectory of each point on the movable jaw is an arc centered on the mandrel. The radius of the arc is equal to the distance from the point to the axis. The upper arc is small and the lower arc is large. The crushing efficiency is low, and the crushing ratio is generally 3-6. Because of the simple movement trajectory, it is called a simple swinging jaw crusher.The simple pendulum jaw crusher has a compact and simple structure, and the transmission components such as the eccentric shaft are less stressed. Because the vertical displacement of the movable jaw is small, the material is less excessively broken during processing, and the wear of the movable jaw plate is less
The upper end of the movable jaw is directly hung on the eccentric shaft. As the connecting rod of the crank connecting rod mechanism, it is directly driven by the eccentricity of the eccentric shaft. The lower end of the movable jaw is hingedly supported on the rear wall of the frame. When the eccentric shaft rotates, the movement trajectory of each point on the movable jaw is changed from the circumferential line of the suspension point (the radius is equal to the eccentric distance), and gradually changes downward into an ellipse. The trajectory of the connection point is an arc. Because the trajectory of each point on the movable jaw in this machine is relatively complex, it is called a complex swinging jaw crusher.Compared with the simple pendulum type, the compound pendulum type jaw crusher has the advantages of lighter weight, fewer components, more compact structure, better filling degree in the crushing cavity, and evenly crushing the loaded material blocks, and then moving the lower end of the jaw. The finished product discharge is mandatory, so the productivity is higher, which is 20-30% higher than the simple swing jaw crusher of the same specification; the material block has a large up and down rolling motion at the lower part of the moving jaw, which is easy to take the shape of a cube Unload
Compared with traditional jaw crusher, JC series jaw crushers pays more attention on details in the process of design and manufacture. It uses high-strength materials, advanced manufacturing technology, which contributes to the stronger structure, higher reliability, larger crushing ratio, higher productivity, lower cost
There are two types of machine frame: welded model and assembled model. The former is for small and middle size, and the latter is for big size.The welded type adopts large arc fillet and low stress welding method, greatly reduces the concentration stress which ensures rack equal strength in all directions, high impact resistance, even force, low failure rate.Assembled uses advanced modularization and non-welded frame structure design of high fatigue strength and high reliability. Meanwhile machine assembly design makes transportation, and installation more convenient, especially suitable for installation in narrow and small places like undermine and high altitude mining
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Abstract jaw crusher is a kind of the relatively new compound pendulum jaw crusher it has two crushing chamber and has an inverted crank rocker mechanism the design is mainly to meet the following requirements 1 crusher capacity 3050t h 2 the maximum grain size of the material feed 120mm 3 the largest nesting size should not exceed
Compound pendulum jaw crusher status quo sunrise pendulum jawsunrise pendulum jaw simple pendulum jaw crusher in the domestic status quo simple pendulum jaw crusher in the domestic status quo according to the ing principle of jaw crusher slideshare apr 17 2015 as a simple trajectory so that a simple swing type jaw crushers different can be divided into two categories 1 the simple pendulum 2
Simple pendulum jaw crusher in the domestic status quo concassr status quo radiojoefstarnl jung kuang beijing jaw crusher alanglover jaw crushers are used extensively throughout the world by the aggregate they feature manufactured heavy duty concassr status quo radiojoefstarnl
The advantages and disadvantages of simple compound 9 jul 2019 the advantage of simple pendulum jaw crusher simple and strong it makes uneven load on the jaw plate and uneven abrasion of liner platenews archives product introduction pe and pex series jaw crusher is a large compound pendulum type crushing equipment which is mainly used for crushing all kinds most
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Compound pendulum jaw crusher has the following features: light weight, simple and reasonable structure and impact structure. In addition, the materials can be evenly crushed inside the cavity due to the fact that the cavity is quite fine in space. If the granularity can meet the standard, finished materials will be discharged from the bottom of movable jaw.
Consequently, the efficiency of this equipment is pretty high. The crushed materials will suffer from roll motion up and down at the bottom of the movable jaw. Therefore, the granularity of the end product is fine and qualification rate is also high
Three-dimensional modeling is the basic work of component design for jaw crusher. The design condition of each component directly affects that whether the follow-up work can go without a hitch or not. The correctness of model refers to that whether the modeling, components and assembly model are accurate or not. The rack design of crusher decides whether the components of crusher can be installed successfully. Because the jaw crusher bears great impact load and working capacity in manufacturing process is quite great, thus for compound pendulum jaw crusher, casting material usually adopts ZG35.
The two sides of movable jaw crusher are installed two spherical roller bearings, making inner race and eccentric shaft match each other. The major eccentric shaft is installed outside the jaw crusher. Hongxing Machinery adopts unique structure in jaw crusher design in order to make the jaw crusher more convenient to users
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