In actual work, when the Automatic Molding Machine produces some high-quality sand molds, the product often has uneven compactness, and even cannot be molded.A customer found that the compactness of the sand mold was not high during production.

Casting is the foundation of the manufacturing industry and the basic industry of the national economy. However, due to the early start and rapid development of foreign developed countries, there is still a certain gap in the efficiency of castings produced in my country compared with industrial dev