Article | REF: AM3685 V1

Thermal injection of thermoplastics. Optimization

Authors: Pierre MOUSSEAU, Alain SARDA, Rémi DETERRE

Publication date: January 10, 2006

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ABSTRACT

 

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AUTHORS

  • Pierre MOUSSEAU: Senior lecturer at Nantes University Institute of Technology

  • Alain SARDA: Senior Lecturer - Head of the Materials Science and Engineering Department at Nantes IUT

  • Rémi DETERRE: University Professor - Director of the OPERP laboratory – IUT de Nantes

 INTRODUCTION

The thermal phenomena involved in the molding cycle were presented in the dossier: "Thermal injection of thermoplastics. Fundamentals". In this second dossier, we present notions of optimization and control of thermal phenomena: optimal filling time, notions of thermal control of tools (stability and homogeneity) and optimal cooling time of molded parts. Many of the results are based on concepts developed in . The variables and parameters used are defined in the following table.

Definition of parameters and variables

K and n

power law coefficients (K consistency and n pseudoplasticity index)

λ

thermal conductivity

ρ

density

C...

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