EXTRACCIÓN DE CONTORNOS NURBS PARA LA FABRICACIÓN ADITIVA
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2021-07-05
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Jaén: Universidad de Jaén
Resumen
La fabricación aditiva constituye una de las tecnologías conductoras de la cuarta revolución industrial. Las soluciones
tecnológicas para impresión 3D están en continuo desarrollo, pero hasta ahora el proceso de fabricación implica dos
pasos: la aproximación del modelo exacto NURBS mediante un modelo discreto, y la transferencia de ese modelo al
software de control y planificación del proceso aditivo, que lamina el modelo poligonal y genera el código G para su
ejecución. El primero de los pasos introduce errores en el proceso, por lo que en este trabajo se tratará de desarrollar un
método para proporcionar al software AM los contornos del objeto a imprimir directamente del modelo NURBS. El
método se comparará experimentalmente en impresoras de FDM.
Additive Manufacturing (AM) plays a key-role in the fourth industrial revolution. Technological solutions for 3D printing are in continuous development. Neverthess, so far, the manufacturing process consists of two major steps: to approximate of the exact NURBS model using a discrete model and to transfer of that model to the control software; this application slices the CAD models into layers to generate the contours of the model for each layer, and then generates the paths in G-Code. However, the first step introduces various errors. For this reason, this project is aimed at proposing a method to slice the model NURBS directly and, subsequently, export the slicing model to the software to be printed. The method will be experimentally compared on FDM printers.
Additive Manufacturing (AM) plays a key-role in the fourth industrial revolution. Technological solutions for 3D printing are in continuous development. Neverthess, so far, the manufacturing process consists of two major steps: to approximate of the exact NURBS model using a discrete model and to transfer of that model to the control software; this application slices the CAD models into layers to generate the contours of the model for each layer, and then generates the paths in G-Code. However, the first step introduces various errors. For this reason, this project is aimed at proposing a method to slice the model NURBS directly and, subsequently, export the slicing model to the software to be printed. The method will be experimentally compared on FDM printers.