Process development of gas injection molding using computer aided engineering

Jang Woojin, Cho Chunghwan, Eun Shim Sang, Kim Geon-Joong, Taik Chung Sung, Choe Soonja

Research output: Contribution to journalArticlepeer-review

Abstract

Using computer simulation, the processibility and properties of the instrument panel of automobile produced by gas injection molding were predicted and evaluated. The P-V-T data of ABS, resin were used in the gas injection molding process in order to estimate the mold filling phenomena. The optimum process conditions were found by adjusting the process parameters including pressure, filling time, the positions of gas channel and runner. The process was simplified and the final instrument panel produced by the gas injection molding was found to have improved dimension stability compared to the one produced by conventional injection molding.

Original languageEnglish
Pages (from-to)263-272
Number of pages10
JournalPolymer (Korea)
Volume28
Issue number3
StatePublished - May 2004

Keywords

  • ABS terpolymer
  • Gas injection
  • Instrument panel
  • Mold Flow CAE

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