THE STRESS EVALUATION OF THE TOGGLE MECHANISM OF THE THREEPLATEN INJECTION MOLDING MACHINE BY R-F COUPLED MBD MODELJournal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.9, No. 6)
Publication Date: 2020-06-30
Authors : Caiyuan Wang Xingxin Chen Runnan Jiao Feng Qian; Haibo Huang;
Page : 5-9
Keywords : Injection machine; toggle lever; mechanical features; flexibility.;
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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