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As for course crushing, better equipment have not been developed to replace traditional jaw crusher and rotary crusher at present. Currently, we mainly aim at promoting, developing and improving the wear-resistance of construction of gyratory crusher by modern technology to achieve the aim of energy saving, high efficiency, and long service life. There are more new types of crushers in the field of fine crushing. All in all, jaw crusher is used most widely among jaw crusher,cone crusher,impact crusher and roller crusher.
The moving jaw is a much larger part of crushers with complex structure, and the structural design of jaw should depend on the force of moving jaws. Under the conditions of meeting the strength and hardness, the lighter of its weight, the better. The moving force analysis of the jaw shows that the maximum tantalite ore crushing plant force moving jaw bearing on the side, the force is getting smaller and smaller. In order to be in line with the conditions of the force, but also to meet the requirements of light weight, variable thickness can be used to strengthen the tendons. That relies on the ribs thickness of the upper (head). The more down, the greater thickness. That is, change the original rectangular reinforcement rib to trapezoidal ribs, as this would reduce the weight of the movable jaw and to ensure that there is sufficient strength. The moving jaw between the two bearing parts of the wall thickness can be moderated to be thinner, in order to reduce weight.
In addition, the research on the rack and the moving jaw Finite Element Method should be strengthened to optimize the design of the moving jaw and the rack to achieve a high degree of reliability and light weight of the rack and moving jaw. So, we should improve the design and quartz sand machine manufacturers process level and the use of hydraulic adjustment of the discharge opening and hydraulic insurance gradually so that domestic jaw crusher can achieve the world-class level.Besides, the crushing chamber, crusher dynamic balance, etc., can make use of a computer-optimized design. In short, modern design methods should be used instead of the conventional design method. Furthermore, due to factors such as welding, casting, heat treatment process will impact crusher.