Application of CAE for mold flow analysis in plastic molding mold design

In this paper, injection molding is used as a method of plastic molding, which is a method in which plastic in the molten state is injected into a closed mold cavity by compression, and the molten material fills the cavity and is then cured by cooling to maintain the shape in the mold. The basic structural form and parameters of the mold’s parting surface, winding injection system, and cooling system are determined by mold flow analysis. CAE analysis is used to move the mold filling analysis to the computer, and the mold casting and cooling system’s design scheme can be evaluated and optimized according to the analysis results. After Moldflow software analysis of warpage deformation, the total warpage deformation of the molded part was obtained, the maximum deformation reached 0.931mm, the maximum deformation from uneven cooling was 0.192mm, the maximum deformation from uneven shrinkage was up to 0.942mm, the deformation from shrinkage was even larger than the integrated deformation, which had a greater impact on the final deformation of the molded part. It has a relatively large impact on the final deformation of the plastic part. Therefore, using CAE can improve the efficiency of mold design, optimize the structural design of the mold, effectively improve the quality of the mold and reduce the mold manufacturing cost. The promotion of its application is in line with the development of the times and promotes the rapid development of the injection mold field.