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What are the maintenance methods of forging factory tire mold?
Large forgings are generally used in the key parts of large machinery. Due to the harsh working environment and complex and changeable forces, the quality requirements of large forgings are very high in the production process. The forging of large forgings should not only meet the required shape and size of the parts, but also the important thing is to break the cast tissue, refine the grain, uniform tissue, forging shrinkage cavity, porosity and shrinkage porosity, and improve the internal quality of forgings. The larger the ingot size, the more serious the defects in the ingot, and the more difficult it is to improve the defects in forging, thus increasing the difficulty of forging. In the forging process, upsetting and drawing are the basic and indispensable processes. For forgings with special shapes, tire die forging is also commonly used. The correct use and maintenance of the tire mold is an effective way to improve the life of the tire mold, the main contents are:
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What are the characteristics of forgings compared to castings
The microstructure and mechanical properties of metal can be improved after forging. After hot working and deformation by forging method, the original coarse dendrites and columnar grains become equiaxed recrystallization structure with fine grains and uniform size due to the deformation and recrystallization of the metal, which makes the original segregation, looseness, porosity, slag inclusion and other compaction and welding in the ingot, and its organization becomes more compact, improving the plasticity and mechanical properties of the metal.