Methodology to implement CAE validation in repair & redesign parts process of plastic injection molds

Natanael González-Bautista; Victor Hugo Mercado-Lemus; Maricruz Hernández-Hernández; Isaias Emmanuel Garduño-Olvera; Hugo Arcos-Gutierrez

doi:10.37636/recit.v5n1e216

Authors

Natanael González-Bautista Estudiante de Posgrado CIATEQ, A.C., Centro de Tecnología Avanzada, Circuito de la Industria Poniente Lote 11, Manzana 3, No. 11, Col. Parque Industrial Ex Hacienda Doña Rosa, 52004, Lerma de Villada, México https://orcid.org/0000-0001-7871-3017
Victor Hugo Mercado-Lemus Cátedras CONACYT – Corporación Mexicana de Investigación en Materiales, Ciencia y Tecnología No.790. Col Saltillo 400, 25290, Saltillo, Coahuila, México https://orcid.org/0000-0002-9040-4484
Maricruz Hernández-Hernández Cátedras CONACYT – Corporación Mexicana de Investigación en Materiales, Ciencia y Tecnología No.790. Col Saltillo 400, 25290, Saltillo, Coahuila, México https://orcid.org/0000-0001-7188-3355
Isaias Emmanuel Garduño-Olvera Cátedras CONACYT – CIATEQ A.C., Eje 126 No. 225, Zona Industrial del Potosí, 78395, San Luis Potosí, México
Hugo Arcos-Gutierrez Cátedras CONACYT – CIATEQ A.C., Eje 126 No. 225, Zona Industrial del Potosí, 78395, San Luis Potosí, México https://orcid.org/0000-0002-6679-7687

DOI:

https://doi.org/10.37636/recit.v5n1e216

Keywords:

CAE validation, Injection molding, Redesign & repair inserts

Abstract

Repairs and redesigns for plastic injection molding parts generally is a short and straightforward process consisting of inspection, modeling, and evaluation. The present paper implements a methodology for redesigning and repairing injection molding parts based on the frontal process for developing concepts. The proposed methodology helps in the validation through Computer-Aided Engineering (CAE) in the designing stage using CAD software, ensuring the quality of the repair. Furthermore, the redesigned development has been carried out in the best way to obtain a better cooling, robustness, or plastic flow. In this research is implemented the proposed methodology in a Hot Runner System. Furthermore, a numerical simulation for three cases to evaluate the heat transfer and cooling times performed, finding the main differences in heat transfer due to drilled or milled rectangular channels, minimizing the time to reach ejection temperature and mold/part temperatures.

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