At present, the casting theory is relatively perfect, which can play a certain guiding role in the juice setting process for casting technicians. However, in the process design for products with different structures, it is difficult to design a perfect process only based on the existing theory.
The existing casting theory can only guide in the general direction, but not in the details. Moreover, the technology to eliminate defects in many details belongs to the core technology of the enterprise, and it is difficult to exchange and learn. Imperfect process will directly lead to casting defects such as shrinkage cavity, air hole, crack and so on.
Even if the process design is perfect, if the production management is not in place and the process and operation instructions are not strictly implemented, there will also be one or another casting defects and increase the production cost of the enterprise.
Therefore, carry out research on eliminating shrinkage (porosity) defects of steel castings, and provide a more perfect and reasonable foundry design method and production process control measures on the basis of analyzing the shortcomings of traditional process design based on experience and process manual, so as to avoid the occurrence of shrinkage and porosity defects, improve the process design level of suppliers, improve the quality of steel castings and reduce costs, It has important guiding significance and practical value.