Simulation of Injection Molding and Comparison with Experimental Values

H. Potente; H. Schulte; N. Effen

doi:10.3139/217.930224

Article

Simulation of Injection Molding and Comparison with Experimental Values

H. Potente , H. Schulte and N. Effen

Published/Copyright: May 27, 2013

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From the journal International Polymer Processing Volume 8 Issue 3

Abstract

The outstanding economic importance of injection molding in plastics processing and the steadily growing requirements on the molded parts to be produced are leading to constant further developments in the process engineering for injection molding. Computer simulation is a method that has only recently come to be used to an increasing extent in the field of injection molding, and the use of computers has so far been restricted to simulation of the injection mold. One key prerequisite for the quality of the molded parts, however, is that the melt should have been prepared by the plasticating unit in a manner that comes as close to the ideal as possible.

The article presents a closed basis for calculation for the simulation of the plasticisation process in injection molding. This makes it possible for a large number of screw layout criteria to be estimated and calculated in advance. The computer simulation serves to make the plasticisation process more or less transparent and also clearer and calculable. The validity of the computation model for any size of plasticating units is demonstrated by examining the operating points of large industrial plants.

* Mail address: Prof. Dr. H. Potente, Dept. of Plastics Technology, University of Paderborn, D-33098 Paderborn, Germany.

Received: 1992-5-30

Accepted: 1993-1-15

Published Online: 2013-05-27

Published in Print: 1993-09-01

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https://doi.org/10.3139/217.930224