Forming process of carbon steel head

Forming process of carbon steel head

Head FORMING PROCESS: Carbon steel head is used primarily in one part of the vessel, usually at both ends of the pressure vessel. The following is a brief introduction to the forming process of the head: liquid metal through the wall to lose heat, solidification and shrinkage, and the wall in the heat, increase the temperature at the same time produced expansion of stainless steel head, the result in the formation of a "gap" between the casting and the wall. The casting can be considered to be cooled in the "gap" through which the metal wall is heated until the "CAST-GAP - metal mold" system reaches the same temperature. Metal type and sand type, in the performance of some differences, such as sand type has a permeability head manufacturer, and metal type does not; The thermal conductivity of the stainless steel head is poor, the thermal conductivity of the metal type is good, the sand type has concession, and the metal type does not wait. These characteristics of metal mold determine that it has its own rules in the process of casting formation. The influence of the change of the gas state in the cavity on the casting molding: when the stainless steel head supplier metal is filling, the gas in the cavity is discharged, but the metal has no air permeability. As long as the process is slightly negligent, it will bring bad influence to the quality of the casting.

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