A Mathematical Model for the Evaluation of Injection Molding Machine Control

[+] Author and Article Information
A. Shankar

Process Controls Manufacturing Development, Caterpillar Tractor Company, Peoria, Ill.

F. W. Paul

Mechanical Engineering Department, Clemson University, Clemson, S.C. 29631

J. Dyn. Sys., Meas., Control 104(1), 86-92 (Mar 01, 1982) (7 pages) doi:10.1115/1.3149636 History: Received June 17, 1980; Online July 21, 2009


This paper presents the development of a deterministic nonlinear lumped parameter mathematical model useful for the study and design of polymer injection molding machines and their associated controllers. The mathematical model was simulated on a digital computer and the results compared with experimental measurements taken in an existing injection molding machine. A comparison of these results showed that the developed mathematical model adequately predicts the transient behavior of averaged machine and mold variables. The resulting model is useful for control system design, machine parameter selection, and model redesign purposes.

Copyright © 1982 by ASME
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