The material selection of the crusher teeth plate directly affects the performance and economic benefits of the equipment, and it is necessary to comprehensively consider the material characteristics, working conditions and use costs. High manganese steel (such as ZGMn13) is the most commonly used material. It can produce work hardening under strong impact and is suitable for crushing hard materials such as granite, but the wear resistance will decrease with insufficient impact force. For medium hardness materials (such as limestone), medium carbon alloy steel (such as 42CrMo) is more cost-effective, and good strength and toughness can be obtained through quenching and tempering. For working conditions with high requirements for corrosion resistance (such as wet crushing), high chromium cast iron (such as Cr26) can be selected. Its hardness is above HRC60, but it is brittle and needs to be matched with buffer design. In recent years, composite material teeth plates have gradually become popular. For example, cemented carbide blocks are embedded in the matrix, which can maintain overall toughness and improve the wear resistance of key parts. When choosing, you should also pay attention to the teeth structure-deep teeth plates should use high-toughness materials, while shallow teeth plates can focus on hardness. In practical applications, it is recommended to verify the material adaptability through small batch trials to avoid economic losses caused by direct large-scale replacement. Reasonable material matching can increase the life of the teeth plate by 50%-200%, while reducing the maintenance cost per unit output.
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Teeth plate for mobile jaw crusher
Teeth plate for mobile jaw crusher
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