The Rapid Development of Crushing Equipment

With the continuous development of industries like roads, bridges and construction, particles are used more and more widely. The compressive crushing equipment is the most widely used equipment in materials crushing. In terms of cone crusher, the emphasis is how to improve the producing efficiency, decrease the energy consumption, and expand the service life. The compressive force of crushers influences the performance of the crushing equipment, so the research on the crushing force has great influence on the analysis of dynamics and the prediction of service life.

Based on the material compression experiments and the experimental data analysis, the existing method of compressive force calculation and its deficiency are analyzes, and a solution model of compressive force is built. It provides the basis of precise compressive force action for dynamic performance analysis of the complete machine and cavity optimization design. Based on the laminated broken working theory of rock cone crusher, the bulk material movement in crushing cavity and cavity layering situation is analyzed and the key influencing factors of compressive force is discussed. With mechanics experimental study of compression processes of three kinds of rock materials using rock mechanics test system, it gives a regression analysis on experimental data, builds three factors mathematical model of compressive force, and solves compressive loads distribution in details based on material layering situation.

Different crushers have different specifications and different use scope. Currently, course crushing always chooses jaw crusher or rotary cone crusher; medium crushing uses standard cone crushers fine crushing uses short-head China cone crusher. According to the way of crushing and the mechanical structure, crushing equipments could be divided into six categories: Jaw crusher, cone crusher, roll crusher, etc.

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