Comparison of the results for semisolid and plastic injection molding process

Y. K. Shen, J. J. Liu, C. T. Chang, C. Y. Chiu

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

Understanding the time-dependent flow behavior of semisolid and plastic materials is essential for the injection molding. The 3C (Computer, Communication, Consumer) product is more light, thin, short and small on today. Traditional injection molding uses the plastic for the shell of 3C product. Because the EMI, good heat dissipation etc., the magnesium for the shell of 3C product is more increasing now. The properties of plastic are shear-thinning. The properties of magnesium are shear-thickening and it injects the mold by semisolid form. Therefore, the situation of injection molding between plastic and magnesium is very different. This paper uses the CAE software (MoldFlow) to analysis the result with different materials (ABS, ABS/PC, Mg), different processing parameters (injection temperature, mold temperature, injection pressure, injection time), and different thickness (1.0mm, 0.9mm). In order to obtain the optimum results, the simulation introduces Taguchi method to discuss the influence of each parameter in injection molding.

Original languageEnglish
Pages (from-to)97-105
Number of pages9
JournalInternational Communications in Heat and Mass Transfer
Volume29
Issue number1
DOIs
Publication statusPublished - Jan 2002
Externally publishedYes

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Mechanical Engineering

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