Analysis of the packing stage in injection molding

Tai-Shung Chung*, M. E. Ryan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


An unconditionally stable explicit finite difference numerical scheme is used to determine the pressure distribution during the packing stage of a rectangular mold cavity. Different initial conditions arising from both an isothermal and nonisothermal mold filling analysis are considered in relation to subsequent packing behavior. The packing stage is of short duration, may be assumed to be isothermal, and gives rise to a more uniform pressure distribution within the mold cavity.

Original languageEnglish (US)
Pages (from-to)271-275
Number of pages5
JournalPolymer Engineering & Science
Issue number5
StatePublished - Jan 1 1981

ASJC Scopus subject areas

  • General Chemistry
  • Polymers and Plastics
  • Materials Chemistry


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