采用r-f耦合MBD模型对三压板注塑机切换机构进行了应力评估

June-2020 Pub Date : 2020-06-15 DOI:10.29121/ijesrt.v9.i6.2020.2

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引用次数: 0

摘要

本文的目的是评估注射成型机的切换机构的力学行为。结合不同的商业仿真工具，建立了注塑机切换系统的刚柔耦合多体(MBD)模型。通过导入由有限元模型生成的零件的MNF文件，包含了多个柔性零件。然后在MBS软件中建立了切换系统的R-F耦合MBD模型。给出了切换系统各部件的应力分布。结果表明，所有杠杆的中间受力较小。更大的载荷施加在十字头拨动杆的末端。最后，对切换系统的轻量化改进提出了建议。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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THE STRESS EVALUATION OF THE TOGGLE MECHANISM OF THE THREEPLATEN INJECTION MOLDING MACHINE BY R-F COUPLED MBD MODEL

The aim of the paper is to evaluate the mechanical behavior of the toggle mechanism of an injection mold machine. Different commercial simulation tools were combined to create a rigid-flexible (R-F) coupled multibody (MBD) model for the toggle system of the injection mold machine. Several flexible parts were included by importing the MNF files of the parts generated by the FE model. Then the R-F coupled MBD model of the toggle system were developed in the MBS software. The stress distribution of each component of the toggle system was illustrated. The results show that less stress is loaded at the middle of all the levers. Greater load is applied at the end of the crosshead toggle lever. Finally, some suggestions are given for the lightweight improvement of the toggle system.

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来源期刊

June-2020

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