The crushing force of the jaw crusher directly affects the stiffness and strength of the parts of the crusher, and is related to the reliability and service life of the jaw crusher. Therefore, there are many factors that affect the size of the jaw crusher's crushing force. We will analyze it from the following main aspects.
1. Material crushing method. There are many forms of material crushing, such as crushing, splitting, bending and breaking, friction crushing, impact crushing, etc. In actual crushing conditions, two or more stress states often act simultaneously. We know that the jaw crusher puts the material in a state of tensile stress due to the action of the tooth plate, so the tensile stress is regarded as the main crushing stress.
2. The particle shape of the material. When calculating the crushing force, the shape of the material is often assumed to be spherical, and the shape of the actual crushed material is mostly cubic or polygonal. In order to be closer to the actual working conditions, we set the shape of the material to be cubic.
3. The state of movement of the jaw. As the previous analysis shows, in the main crushing process of the crushing chamber, the actual part of the crushing chamber accounts for less than half of the entire crushing chamber.
4. Material properties. The tensile and compressive strengths of different materials are different, and the crushing force produced by crushing is also different. Therefore, the calculation formula of the crushing force should include the parameters of the mechanical properties of the material, such as tensile and compressive strength.
As a supplier with nearly 30 years' manufacturing, Shuguang Heavy Machinery also produces and sells hammer crushers, impact crushers, vertical shaft crushers, cone crushers, compound crushers, Raymond mills, high pressure mills. Powder machine, vertical mill, ultra-fine grinding machine, ball mill, double-shaft shredder and other heavy equipment crusher. Feel free to contact us for more details.
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