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Conformal Cooling Versus Conventional Cooling: An Injection Molding Case Study With P-20 and 3DP™-Processed Tooling

Published online by Cambridge University Press:  10 February 2011

Wayde R. Schmidt ,
Ronald D. White ,
Connie E. Bird  and
Joseph V. Bak
Wayde R. Schmidt
Affiliation:
United Technologies Research Center, East Hartford, CT, USA;
Ronald D. White
Affiliation:
United Technologies Research Center, East Hartford, CT, USA;
Connie E. Bird
Affiliation:
United Technologies Research Center, East Hartford, CT, USA;
Joseph V. Bak
Affiliation:
United Technologies Research Center, East Hartford, CT, USA;
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Abstract

A series of designed experiments was performed in an attempt to evaluate and quantify the historically “anecdotal” benefits of conformal cooling for injection molding tooling. The study considered different generic part geometries, gating schemes, mold materials, plastic resins and cooling approaches. This paper provides an overview of the mold design approach, cooling simulation, tool fabrication via the 3DP™ process, as well as part molding and inspection results.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 625: Symposium Y – Solid Freeform & Additive Fabrication – 2000 , 2000 , 51
Copyright
Copyright © Materials Research Society 2000

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References

1 Sachs, E., Allen, S., Cima, M., Wylonis, E. and Guo, H., “Production of Injection Molding Tooling with Conformal Cooling Channels using the Three Dimensional Printing Process”, Solid Freeform Fabrication Proceedings, eds. Marcus, H. L., Beaman, J. J., Bourell, D. L., Barlow, J. W. and Crawford, R. H, The University of Texas at Austin (1995) pp. 448–467 and references therein.Google Scholar
2 Xu, X., Sachs, E., Allen, S., and Cima, M., “Designing Conformal Cooling Channels for Tooling”, Solid Freeform Fabrication Proceedings, eds. Marcus, H. L., Beaman, J. J., Bourell, D. L., Barlow, J. W. and Crawford, R. H, The University of Texas at Austin (1998) pp. 131–146 and references therein.Google Scholar