Injection molding is becoming increasingly common as a plastic processing method, with the injection molding machine being the apparatus for this process. Before the production of such large-scale equipment, it is imperative to understand its operating conditions and to assess the failure modes of its numerous internal components. This paper establishes a lightweight model for the front template of an injection molding machine, leveraging various modules within finite element software to predict the strength limits of the front template and to mitigate conditions that lead to resonance. The investigation encompasses static structure, transient structure, harmonic response, and response spectrum analysis. A key aspect involves not only conducting simple static structural tests on the lightweight front template but also continuing research into its dynamic response and vibrational dynamics based on statics, thereby validating the feasibility of the lightweight front template. The results indicate that, under specified conditions, the mass of the lightweight front template can be reduced by approximately 9.4%. This study offers valuable insights for future research on front templates and holds practical significance for lightweight production endeavors.

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Research on Performance of Front Template of Injection Molding Machine Based on Lightweight Design

  • Lecheng Lian,
  • Yuefeng Yuan,
  • Yucai He

摘要

Injection molding is becoming increasingly common as a plastic processing method, with the injection molding machine being the apparatus for this process. Before the production of such large-scale equipment, it is imperative to understand its operating conditions and to assess the failure modes of its numerous internal components. This paper establishes a lightweight model for the front template of an injection molding machine, leveraging various modules within finite element software to predict the strength limits of the front template and to mitigate conditions that lead to resonance. The investigation encompasses static structure, transient structure, harmonic response, and response spectrum analysis. A key aspect involves not only conducting simple static structural tests on the lightweight front template but also continuing research into its dynamic response and vibrational dynamics based on statics, thereby validating the feasibility of the lightweight front template. The results indicate that, under specified conditions, the mass of the lightweight front template can be reduced by approximately 9.4%. This study offers valuable insights for future research on front templates and holds practical significance for lightweight production endeavors.