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Zhejiang Haoda Machinery Co., Ltd.
Jaw crusher crush plate design, material attention points
Jaw crusher crushing tooth plate planning and selection of material is the jaw crusher crushing plate using the length of life of the root. When planning jaw crusher crushing plates, the tooth peaks and tooth valleys between crushing plates of the movable and fixed jaws in the jaw crusher should correspond to each other to ensure that jaw crusher crush plates are in operation. In addition to exerting a corresponding kneading force on the material, it is also possible to apply a certain amount of bending stress, which in turn greatly enhances the crushing ability of the jaw crusher. In addition, in order to further extend the service life of the jaw crusher crush plate, The crusher needs of the small crusher will change its plan to a symmetrical shape of the upper and lower parts. Then, when the lower part wears out severely, the crush plates on the moving and fixed plates will be used interchangeably to extend the operating life of the crusher plate of the jaw crusher. In the planning process of the crusher plate of the large jaw crusher, the crusher plates are transformed into several pieces symmetrical to each other, and then the wear blocks of the jaw crusher crush plates can be easily interchanged. Jaw crusher blade service life. With regard to the selection of raw materials for crushing plates of jaw crushers, white cast iron can be used as the primary raw material. The white cast iron used in jaw crusher crushing plates has the characteristics of high hardness and strong wear resistance, together with a low price/performance ratio. Higher. The insufficiency is that the jaw crusher crush plate needs to receive certain dynamic load when it is used, and the white cast iron is more brittle when it is subjected to external forces and then greatly constrains its service life. In order to improve the service life of jaw crusher jaws, it is advisable to use manganese steel with manganese content of more than 12% in the selection of crusher materials for jaw crushers, and to select crusher raw materials for jaw crushers. ZGMn13 can be used privately as the primary raw material. This kind of manganese steel has strong resistance. Although its hardness is reduced, it has its own characteristics of cold work hardening. The kneading force accepted by the jaw crusher crusher plate makes it workable. The process is continuously kneaded and hardened, and is then hardened while being worn until it wears beyond its application limit. The requirements of manganese steel crushing tooth plates used in the jaw crusher crushing plates are performed after the casting is completed. The water toughening treatment operation and the quenching effect are substantially the same. The operation principle is to crush the forged manganese steel. After the plate is heated to between 1000°C and 1100°C, it is placed in water to rapidly cool it and then a more uniform metallographic arrangement is made inside, and this metallurgical arrangement is hardened and fixed in the jaw crusher. The use of crushing plates due to the natural phase change caused by its reduced performance. The use of manganese steel can greatly increase the service life of the jaw crusher jaw crusher, but the disadvantage is related to the higher price of white cast iron, so the Jade crusher crusher plate needs to use what kind of raw materials from the use of Think about life, cost, etc.