Analysis of Key Factors Affecting Service Life of Hammerhead of Hammer Crusher

Hammer crushers are used to break a variety of medium hard and abrasive materials. The compressive strength of the material does not exceed 100 MPa, and the water content is less than 15%. The crushed materials are coal, salt, chalk, gypsum, brick, limestone and the like. Currently widely used in mining, chemical, metallurgy, building materials, power and other industries commonly used crushing equipment. Among them, the hammer head is the main wearable part, and the quality of the hammer directly affects the crushing efficiency of the crusher. During the work, the hammer head is also impacted by the material in addition to the impact, so that the long-term repeated use, the working surface of the hammer head will be damaged, and the surface shape will change. At present, most of the domestic hammer crusher hammers are made of high manganese steel. Due to the insufficient wear resistance of high manganese steel, poor wear resistance and short service life, frequent replacement is required.
Factors affecting the life of the hammer:
First, the material structure and quality of the hammerhead. The material structure of the hammerhead is influenced to affect the mechanical properties after heat treatment. Formulating a reasonable casting process and heat treatment process is an effective method to solve the problem that the hammer head is prone to breakage at the beginning of use.
Second, the power and speed of the hammer crusher rotor. In the technical parameters of the hammer crusher, the power and speed of the rotor are related to the degree of hammer hardening, which in turn affects the service life of the hammer.
Third, the material is fast reading and hardness. The blockiness and hardness of the material are directly proportional to the requirements of the hammer material. The use of a suitable hammer for materials with different physical properties helps to extend the service life of the hammer.
Fourth, the size of the internal clearance of the hammer crusher. The gap between the rotating font and the counterattack, the purlin and the hammer is the main internal clearance of the hammer crusher. The size of the gap is related to whether there is accumulation near the purlin and the safety gate. If the stock is present and the hammer cannot press the stack off the stringer, the hammer will be subject to severe friction and wear. Therefore, during use, the gaps between the parts must be adjusted frequently to be within the proper range.
There are many factors influencing the service life of hammer crusher hammer hammer. The above is based on the experience of many years of hammer crusher production and customer feedback, for the user reference of hammer crusher.
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