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Factors Affecting the Crushing Force of the Jaw Crusher

8/6/2014 8:17:35 AM8/6/2014 8:17:35 AM

The crushing force of the jaw crusher affects its crushing effect. The analysis of the factors affecting the crushing force of the jaw crusher can help to build up the computational formula of the crushing force which is helpful to improve the characteristics of the jaw crusher. So I will introduce the factors affecting the crushing force of the jaw crusher in this article.

1. The crushing ways: The crushing ways of the mining crushers include spilling, grinding, crushing, impacting, and so on. Different crushing ways has different crushing force. For hard ore, we should use the bending and impacting force; for brittle ore, we should use the bending and spilling force; for tough and sticky ore, we should use the grinding force. Jaw crusher generally uses the bending and grinding force to crush materials.

2. The characteristics of the materials: the characteristics of the crushed materials are different, and the crushing forces used in the crushing process are also different. The characteristics of materials include their particle size, hardness, strength, shapes and so on. Therefore, the mechanical properties parameters of the material should be included in the computational formula of the crushing force.

3. The moving features of the movable jaw plate: the crushing force of the jaw crusher is different as the different moving features of the movable jaw plate. For example, the movable jaw plate of the simple pendulum jaw crusher is hung on the mandrel, so that it can swing back and forth to achieve material crushing and unloading.

4. The moving features of the tooth plate: During the movement of the tooth plate, the force of the upper and lower part of the tooth plate is not synchronized, and some times it is opposite. The crushing force is only produced in the crushing process, and not produced in the material unload process. So the crushing force is different in different working process.

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