The Working Mechanism Basis of Impact Crusher

Currently, there are two main types of the extrusion and fracture of materials, namely single particle crushing and the laminated crushing, which are also the main basis for the structure design and working mechanism of the impact breaker. This article will briefly explore the single-particle crushing and the laminated crushing.
First, the experts of Henan Hongxing Mining Machinery will introduce the single particle crushing for you.
In the usual sense, the coarse crushing and medium crushing of the ore belong to the single particle crushing. For the single particle extrusion and crushing, there are three different loading methods. When the materials withstand the point loads, the slope of the strain curve is small, which means that the curve is nearly flat. This is because the materials on the carrier point withstand the high partial pressure. When the materials withstand the line loads, the slope of the strain curve becomes steep. In the uniaxially loaded state, the slope of the strain curve of the material is the steepest, and shows the relationship between the load of the solid materials. The single-particle crushing process is usually carried out in the single loading state.
The single particle crushing of the materials can be broadly divided into the following four stages. The first is the crack propagation caused by the stress concentration. The second stage is to generate a large number of micro-cracks. The third stage is to form the surface cracks. The forth stage is that the particles are crushed to form new surfaces.
Second, the experts of Henan Hongxing Mining Machinery will introduce the laminated crushing for you.
The laminated crushing is different from the single-particle crushing. The laminated crushing means that the crushing refers that a particle has contact with other particles. When the materials are crushed, the contact between the particles will produce the crushing form with interaction. The effective crushing stroke of the crushing cavity forms many particle layers with high density, then the sufficient crushing force is acted on the particle groups of the materials. When the laminated crushing is fully used, we can make full use of the kinetic energy of the crushing to crush the neighboring materials to obtain high crushing rate.
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