An analysis of the three-dimensional micro-injection molding

Y. K. Shen, W. Y. Wu

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

Micro system technology (MST) is including Optic, Mechanism, Electricity, Material, Control and Chemistry, etc. It can miniaturize product and increase its function, quality, reliability and add-value. The size of micro product is closing to nanometer. Micro-injection molding is a branch of micro system technology. Actually, the research of micro-injection molding is just beginning on the world. In this study, numerical simulations of three-dimensional micro-injection molding are performed. The governing differential equations are discredited by using control volume finite element method. The analysis with different polymers (such as PP PA POM) process parameters (injection time mold temperature injection temperature and injection pressure) uses to simulate the micro-gear for example. In order to obtain optimum result, the simulation introduces Taguchi method to discuss the influence of each parameter in micro-injection molding. In this study, the results show that the mold temperature is the most important factor on process parameters. The mold temperature on micro-injection molding is higher than the glass transition temperature of plastic material.

Original languageEnglish
Pages (from-to)423-431
Number of pages9
JournalInternational Communications in Heat and Mass Transfer
Volume29
Issue number3
DOIs
Publication statusPublished - Apr 2002
Externally publishedYes

Fingerprint

injection molding
Injection molding
injection
Taguchi methods
Temperature
temperature
closing
products
electricity
glass transition temperature
Gears
Optics
Polymers
finite element method
Differential equations
differential equations
plastics
Electricity
simulation
optics

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Mechanical Engineering

Cite this

An analysis of the three-dimensional micro-injection molding. / Shen, Y. K.; Wu, W. Y.

In: International Communications in Heat and Mass Transfer, Vol. 29, No. 3, 04.2002, p. 423-431.

Research output: Contribution to journalArticle

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