Abstract
Programs for predicting warpage in injection molded parts are relatively new. Commercial software for simulating the flow and cooling stages of injection molding have steadily gained acceptance; however, warpage software is not yet as readily accepted. This study focused on gaining an understanding of the predictive capabilities of the warpage software. The following aspects of this study were unique. (1) Quantitative results were found using a statistically designed set of experiments. (2) Comparisons between experimental and simulation results were made with parts produced in a well-instrumented and controlled injection molding machine. (3) The experimental parts were accurately measured on a coordinate measuring machine with a non-contact laser probe. (4) The effect of part geometry on warpage was investigated.
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References
T.B. Barker,Engineering Quality By Design, Interpreting the Taguchi Approach, Marcel Dekker, Inc., 1990
G.Taguchi,Introduction to Quality Engineering: Designing Quality into Products and Processes, The Organization,Tokyo, 1986
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Glozer, G., Post, S. & Ishii, K. Research study demonstrates computer simulation can predict warpage and assist in its elimination. JMEP 3, 635–638 (1994). https://doi.org/10.1007/BF02645261
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DOI: https://doi.org/10.1007/BF02645261