Research Progress of Improving Surface Quality of Microcellular Foam Injection Parts
Microcellular foam injection parts have many advantages such as saving material and energy, reducing cycle time, and processing excellent dimensional stability. Despite these advantages, the low surface quality problems limit its application scope seriously. In this study, the microcellular foam injection molding principle and some surface defects were introduced, and the technologies to improve surface quality, such as Gas Counter Pressure (GCP), Rapid Heat Cycle Molding (RHCM), and Film Insulation were summarized in detail. Finally, the prospect of CAE technologies about microcellular foam injection molding was proposed.
Y. Wang and G. H. Hu, "Research Progress of Improving Surface Quality of Microcellular Foam Injection Parts", Applied Mechanics and Materials, Vols. 66-68, pp. 2010-2016, 2011