Numerical and experimental investigation of the effect of mandrel motion on extruded parison thickness

Hossam M. Metwally, Jonathan Meckley, Thierry Marchal, Eric Grald, Yeong Yan Perng

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The use of simulation software to predict the thickness distribution in a blow molded part is becoming more widespread, thus saving considerable time and money in the product development process. For extrusion blow molding simulations, the ability to obtain an accurate final thickness prediction depends on starting with the correct parison thickness distribution. An extrusion simulation tool that incorporates the effects of parison programming, die swell and parison sag due to gravity is required to predict the correct parison thickness distribution. In this study, we compare the parison volume predicted by a finite element-based extrusion model with experimental measurements. The effects of different parison programs are investigated. The goal is to determine the level of accuracy and reliability of the extrusion model for predicting parison thickness.

Original languageEnglish (US)
Title of host publicationSociety of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005 - Conference Proceedings
Pages28-32
Number of pages5
Volume1
StatePublished - 2005
EventSociety of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005 - Boston, MA, United States
Duration: May 1 2005May 5 2005

Other

OtherSociety of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005
CountryUnited States
CityBoston, MA
Period5/1/055/5/05

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Extrusion
Extrusion molding
Blow molding
Product development
Gravitation

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Metwally, H. M., Meckley, J., Marchal, T., Grald, E., & Perng, Y. Y. (2005). Numerical and experimental investigation of the effect of mandrel motion on extruded parison thickness. In Society of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005 - Conference Proceedings (Vol. 1, pp. 28-32)
Metwally, Hossam M. ; Meckley, Jonathan ; Marchal, Thierry ; Grald, Eric ; Perng, Yeong Yan. / Numerical and experimental investigation of the effect of mandrel motion on extruded parison thickness. Society of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005 - Conference Proceedings. Vol. 1 2005. pp. 28-32
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Metwally, HM, Meckley, J, Marchal, T, Grald, E & Perng, YY 2005, Numerical and experimental investigation of the effect of mandrel motion on extruded parison thickness. in Society of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005 - Conference Proceedings. vol. 1, pp. 28-32, Society of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005, Boston, MA, United States, 5/1/05.

Numerical and experimental investigation of the effect of mandrel motion on extruded parison thickness. / Metwally, Hossam M.; Meckley, Jonathan; Marchal, Thierry; Grald, Eric; Perng, Yeong Yan.

Society of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005 - Conference Proceedings. Vol. 1 2005. p. 28-32.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - The use of simulation software to predict the thickness distribution in a blow molded part is becoming more widespread, thus saving considerable time and money in the product development process. For extrusion blow molding simulations, the ability to obtain an accurate final thickness prediction depends on starting with the correct parison thickness distribution. An extrusion simulation tool that incorporates the effects of parison programming, die swell and parison sag due to gravity is required to predict the correct parison thickness distribution. In this study, we compare the parison volume predicted by a finite element-based extrusion model with experimental measurements. The effects of different parison programs are investigated. The goal is to determine the level of accuracy and reliability of the extrusion model for predicting parison thickness.

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Metwally HM, Meckley J, Marchal T, Grald E, Perng YY. Numerical and experimental investigation of the effect of mandrel motion on extruded parison thickness. In Society of Plastics Engineers Annual Technical Conference 2005, ANTEC 2005 - Conference Proceedings. Vol. 1. 2005. p. 28-32