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Machine With the development of our national economy, artificial sand making machine has taken the place of natural sand material was widely used in the construction market, sand process, scale, quality also make a push for progress, to meet the demand of large -scale production of sand materials, high quality, introduction, development and research of new processes sand is very necessary. 
Third generation sand making machine as a new type of equipment for sand, mainly for the crash three or four steps, the production of plastic processing, small stones and sand or the aggregate. in the late 90s, the third generation of sand making machine as sand making equipment, for the first time in the Three Gorges Project under a global system of artificial Xi and has been applied successfully. Since then, the third generation of sand mechanism sand techniques have been applied to other hydropower projects, and gradually formed a process two different wet and dry sand. As for the relative characteristics 
sand rock is not the same, the third generation sand making machine products are not the same. Therefore, the same kind of the third generation of sand mechanism sand process can not be applied to all the draft must according to the features of engineering itself to select the corresponding production process. 
The third generation of raw materials sand mechanism sand typically use 5 ~ 40mm crushed stone or gravel. Raw materials by the third generation of the impact of the crushing sand making machine, products for the aggregate mixture 0 ~ 40mm. Eliminating grading equipment screening of the mixture of aggregates 5mm aggregates and particles 2.5 ~ 5mm product obtained after sand necessary engineering. Screening classification process is different with the process of wet sand, graded aggregate, without washing with water, sand or product by the wash classification.
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