KHM
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Cold extrusion class, construction machinery and ships
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Detail
Modeling and core making are carried out according to the requirements of the casting process, on the basis of determining the molding method and preparing the molding material. The accuracy of the casting and the economic effect of the entire production process mainly depend on this process. In many modern foundry workshops, molding and core making are mechanized or automated. Commonly used sand molding core making equipment includes high, medium and low pressure molding machines, air punching molding machines, boxless injection molding machines, cold box core making machines and hot core box core making machines, coated sand core making machines, etc.
After the casting is removed from the casting cooled mold, there are gates, risers, metal burrs, and seams, and the casting of sand casting also adheres to the sand, so it must go through the cleaning process. The equipment for this kind of work includes polishing machines, shot blasting machines, riser cutting machines, etc. Sand casting sand removal cleaning is a process with poor working conditions, so when choosing a molding method, it should be considered as much as possible to create convenient conditions for sand falling cleaning. Some castings have to be post-processed by castings due to special requirements, such as heat treatment, shaping, anti-rust treatment, rough processing, etc.
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