Optimization of the micro-injection molding process using grey relational analysis and MoldFlow analysis

Y. K. Shen, H. W. Chien, Yi Lin

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Microsystem technology is a compound technology including optic, mechanism, electricity, material, control and chemistry, etc. This technology can miniaturize products and increase their function, quality, trustworthiness and addendum. Micro-injection molding is a branch of the micro-electro mechanical system. The size of the product is in nanometers. It is important to produce the product for micro-injection molding technology today. The research of micro-injection molding is still in the early stages. In this study, numerical simulations of three-dimensional micro-injection moldings were performed. The governing differential equations were described by using control volume finite element method. The analysis with different polymers (such as PP, PC, PS, POM) and process parameters (injection time, mold temperature, injection temperature, injection pressure) are used to simulate the microgear for example. In order to obtain optimum results, the simulation introduces the Taguchi method and grey relational analysis to discuss the influence of each parameter in micro-injection molding. The results show that the PS material is the most suitable material used in this study. The results for MoldFlow analysis and grey relational analysis are the same on this study.

Original languageEnglish
Pages (from-to)1799-1814
Number of pages16
JournalJournal of Reinforced Plastics and Composites
Volume23
Issue number17
DOIs
Publication statusPublished - 2004
Externally publishedYes

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Injection molding
Taguchi methods
Microsystems
Optics
Polymers
Differential equations
Electricity
Finite element method
Temperature
Computer simulation

Keywords

  • Grey relational analysis
  • Micro-injection molding
  • MoldFlow analysis
  • Taguchi method

ASJC Scopus subject areas

  • Ceramics and Composites
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Optimization of the micro-injection molding process using grey relational analysis and MoldFlow analysis. / Shen, Y. K.; Chien, H. W.; Lin, Yi.

In: Journal of Reinforced Plastics and Composites, Vol. 23, No. 17, 2004, p. 1799-1814.

Research output: Contribution to journalArticle

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