Large stones need to be crushed into small pieces to be applied into other fields. Small scale stone plants are often used into crushing all kinds of stones, such as iron ore, granite, limestone, basalt and so on. There are many different types of crusher machines in the small scale stone plants, such as pew jaw crusher machines, pfw impact crusher machines and cs cone crusher machines and so on.
These crusher machines are the main machines in the stone plants. They are crucial for all kinds of ores and rocks crushing. Crusher can be divided into medical stoner and mining crusher. Crusher is refers to such machines that the materials that discharging granularity is more than 3 mm is more than 50% in content of total discharge capacity of the crushing machine. Mine crusher is aimed at all kinds of stone crushing operations. According to the principle of broken products and different particle sizes, it is divided into many different types. Crusher is widely used in mining, smelting, building material, highway, railway, water conservancy and chemical industry, and many other sectors.
In the processing plant of iron ore, jaw crusher machines usually are used for the first stage crushing and the impact crusher or the cone crusher machines are used as for the second stage crushing.Clients can choose different types of crusher equipment according to the actual factors.
In metallurgy, mining, chemical, cement and other industrial department, every year a lot of raw material and recycle of the waste are processed by crusher. As in the concentrator, to make full useful of minerals in the ore to monomer separation, it needs to use crusher to crush and grindmaterials to the required size. It needs to use mechanical crushing to make materials broken to the next step requirements of granularity. In coking plant, sintering plant, ceramics, glass industry, powder metallurgy and other departments, the mechanical crushing is necessary.
When jaw crusher is at work, activated slabs have periodic reciprocating motiontowards the fixed jaw plate, sometimes closing, sometimes leaving. When closing to the fixed jaw plate, material is squeezed between the two plates, split, impacted and broken.When slabs leave, materials that have been broken are discharged by gravity.
In the process of the huge stone broken into small stones, the first line of crusher is usually the "primary" crusher. The longest history and the strongest crusher is jaw crusher. When feeding to jaw crusher, material is sent into the crushing chamber from the top. The chamber contains jaw teeth and jaw teeth pushes material to the room wallwith great force. The materials will be broken into smaller stones. Thing that supports jaw teeth movement is an eccentric shaft.The eccentric shaft is through the fuselage structure.
Eccentric motion is usually produced by the flywheel that fixed on both sides of the structure. Bearingsthat flywheel and eccentric shaft support often use spherical roller bearings.Bearing working environment is very harsh. Bearings must withstand the huge impact load, and high temperature abrasion sewage. Although the work environment is very harsh, jaw crusher still need to work very reliable, it is the key to guarantee the production efficiency.
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