Caracterización microscópica de texturas superficiales fabricadas aditivamente mediante estereolitografía láser

Caracterización microscópica de texturas superficiales fabricadas aditivamente mediante estereolitografía láser

Contenido principal del artículo

Ely Dannier Valbuena-Niño
Jose Luis Endrino-Armenteros
Hugo Armando Estupiñan-Duran
Boris Pérez-Gutiérrez
Andrés Díaz-Lantada

Resumen


Objetivo: En nuestro trabajo presentamos el desarrollo de texturas superficiales con diferentes geometrías fabricadas por manufactura aditiva. Metodología: Los sustratos con diferentes texturas superficiales son diseñados por medio de programas asistidos por computador (CAD). La fabricación de las diferentes superficies se realiza capa a capa, en un solo proceso, por medio de la técnica de estereolitografía láser (SLA), directamente desde los archivos CAD. Resultados: Las superficies de los sustratos fueron evaluadas mediante ensayos ópticos con el objetivo de medir la topografía de las superficies, validar el acabado superficial y controlar los métodos de fabricación a través de las estrategias de medición en diferentes perfiles. Conclusión: En este estudio mostramos que las texturas superficiales impresas presentaron una reducción de los valores de medidas de longitud, volumen y masa en comparación con la definida en el diseño.


Palabras clave: Manufactura aditiva, Microscopía óptica, Resina fotocurable.

 

Abstract

 

Objective: This work shows surface texture development using several different geometries produced by additive manufacturing. Methodology: The substrates with different surface textures are designed by computer aided programs (CAD). Manufacture of the different surfaces is performed in a layer by layer basis, in a single process using the laser stereolithography technique (SLA), directly from CAD files. Results: substrates surfaces were evaluated by optical tests in order to measure the topography of such surfaces, to validate the surface finishing and to control manufacturing methods by using the strategy of measurement in different profiles. Conclusion: In this study we demonstrated that the printed surface textures showed a reduction in the values of length, volume and mass measurements when compared to the ones defined in the design.

Keywords: Additive Manufacturing, optical microscopy, photo-curable resin.

 

Resumo

 

Objetivo: Em nosso trabalho, apresentamos o desenvolvimento de texturas de superfície com diferentes geometrias produzidas por manufatura aditiva. Metodologia: Os substratos com diferentes texturas superficiais são projetados por programas assistidos por computador (CAD). A fabricação das diferentes superfícies é realizada camada por camada, em um processo por meio da técnica de estereolitografia laser (SLA), diretamente dos arquivos CAD. Resultados: As superfícies dos substratos foram avaliadas por meio de ensaios ópticos, a fim de medir a topografia das superfícies, validar o acabamento superficial e controlar métodos de fabricação por meio das estratégias de medição em diferentes perfis. Conclusão: Este estudo mostrou que as texturas superficiais impressas apresentam uma redução dos valores das medidas de comprimento, volume e massa, em comparação com o definido no desenho.

Palavras-chave: Manufatura aditiva, Microscopia óptica, Resina fotocurável.

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Detalles del artículo

Biografía del autor/a (VER)

Ely Dannier Valbuena-Niño, Universidad Industrial de Santander.

Magister en Física.

Jose Luis Endrino-Armenteros, Cranfield University

Doctorado en Ingeniería Mecánica.

Hugo Armando Estupiñan-Duran, Universidad Nacional de Colombia.

Doctorado en Ingeniería Química.

Boris Pérez-Gutiérrez, Universidad Francisco de Paula Santander

Magister en Ingeniería de Sistemas.

Andrés Díaz-Lantada, Universidad Politécnica de Madrid.

Doctorado Ingeniero Industrial.

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