The roller crusher is a kind of traditional crushing equipment, which uses the squeeze pressureof two rollers to achieve the purpose of crushing. According to the number of the rollers, the roll crusher can be divided into the single roller, double rollers, three-rollers and four rollers. Among the four kinds, the most common is the roll crusher, which is also known as the roller crusher.

The railway construction has higher demand for the road and the small crusher equipment. The market demand for the small sized crusher can reach nearly 1,000 units each year, which are mainly used for the production operations of the roadbed material. The large-scale investment in the highway construction and the railway construction and other infrastructure will continue to drive the growth in the market size of the road and the crusher equipment to ensure the safe, sustainable and stable development of the industry, ensuring the sustainable development route of the crusher.

The double roller crusher is mainly used in the industrial sectors such as coal, cement and silicate. Based on the shape of the roller surface, the roller crusher can be divided into the smooth roller and tooth surface roller. The crushing mechanism of the smooth roller crusher is crushing and the crushing mechanism of the tooth surface roll crusher is chipping. The former is mainly used for the secondary crushing and fine crushing of materials with medium hardness and the latter is suitable for the rough crushing and secondary crushing of the brittle and soft ores.

Roll crusher is suitable for the secondary crushing and fine crushing of the materials with medium hardness in the cement, chemical, electric power, metallurgy, building materials, refractory and other industrial sectors such as limestone, slag, coke, coal and other materials. The series of roll crusher is mainly composed by rollers bearing, roller supporting bearing, clamping and adjustment device and driving device and so on.

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