微孔发泡注塑隔热模具涂层热模拟优化分析  

Thermal Simulation Optimization Analysis of Microcellular Foam Injection Molding and Thermal Insulation Mold Coating

作　　者：张晓芳 李运会 布祎 ZHANG Xiao-fang;LI Yun-hui;BU Yi(Nanyang Vocational College of Agriculture,Nanyang 473000,China)

机构地区：[1]南阳农业职业学院,河南南阳473000

出　　处：《塑料科技》2021年第1期10-13,共4页Plastics Science and Technology

摘　　要：从环境影响和控制成本的角度考虑,得到高表面质量的微发泡制品具有一定的难度。通过添加模具涂层实现被动成型温度的控制已经受到了极大的关注。在该研究中,将不同厚度ZrO_(2)材料涂覆在模具型腔表面,使用P20作为模具材料进行微孔注塑成型PP熔体,通过使用Ansys Workbench正交模拟优化分析熔体与模具的界面温度,模拟结果显示涂层厚度对界面传热速率影响最为显著,最终得到在ZrO_(2)涂层作用下最优参数组合:模具温度60℃,熔体温度240℃,涂层厚度0.4 mm,为改善微发泡制品表面质量提供数据支持。Consider from the perspective of environmental impact and cost control,it is difficult to obtain micro-foamed products with high surface quality.The passive molding temperature control by adding mold coatings has received great attention.In this study,ZrO_(2) materials of different thicknesses were coated on the surface of the mold cavity,and P20 was used as the mold material for microporous injection molding of PP melt.The interface temperature between the melt and the mold was optimized and analyzed by using ansys workbench orthogonal simulation.The simulation results show that the thickness of the coating has the most significant effect on the interface heat transfer rate.Finally,the optimal parameter combination under the action of the ZrO_(2) coating is obtained:the mold temperature is 60℃,the melt temperature is240℃,and the coating thickness is 0.4 mm.This can provide data support for improving the surface quality of microfoamed products.

关 键 词：微孔注塑成型 涂层 界面传热速率 模拟分析 

分 类 号：TP391.7[自动化与计算机技术—计算机应用技术] TQ325.14[自动化与计算机技术—计算机科学与技术]