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注塑模具模拟与实验之间的相似性的分析

Julia Knoll¹, Hans-Peter Heim¹

¹Institute of Material Engineering, Polymer Engineering, University of Kassel, 34125 Kassel, Germany.

|May 11, 2024

概括

本研究将计算流体动力学 (CFD) 模拟与塑料模具设计中的物理实验进行比较. 它分析了偏差,以提高模具工程模拟的准确性.

科学领域:

塑料工程塑料工程
计算流体动力学 (CFD) 是一种计算流体动力学.
制造过程模拟制造过程模拟

背景情况:

计算流体动力学 (CFD) 模拟在塑料行业广泛用于模具设计.
由于未知一致性,用模拟代替物理实验仍然是一个重大挑战.
以前的调查往往缺乏对零件特性和工艺参数时间序列的详细比较.

研究的目的:

将Autodesk Moldflow Insight Ultimate的模拟结果与实验数据进行比较.
分析不同复杂度的模具的零件特性和时间序列过程参数.
确定导致塑料注塑成型中模拟和实验结果之间的差异的因素.

主要方法:

在实验期间获得了注射压力,流量和腔压的高分辨率时间序列数据.
测量制造的部件的质量和尺寸,并与模拟输出进行比较.
分析了模拟-实验偏差的潜在原因,包括材料数据,网格,解决器参数和机器行为.

主要成果:

对不同复杂度的模具进行了模拟和实验数据的详细比较.
评估了零件特性和工艺参数时间序列.
分析确定了模拟和实验结果之间的潜在偏差来源.

结论:

该研究提供了CFD模拟和塑料模具设计中的实验结果之间的全面比较.
了解模拟和实验之间的一致性对于可靠的模具工程至关重要.
识别和分析偏差来源可以导致更准确的预测模拟.

关键词:

在Moldflow®中,您可以使用Moldflow®注塑成型的注射成型是什么注塑成型流程模拟注塑成型流程模拟类似性分析分析的相似性分析

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