Optimization of FDM parameters with Taguchi method for production of flexible ABS part

Ho, Kam Yuen (2015) Optimization of FDM parameters with Taguchi method for production of flexible ABS part. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Taguchi Method is an effective tool introduced for the optimization of the product or process quality. The ABS product produced by Fused Deposition Modeling (FDM) has it performance varies with the changes of the process parameters of the machine such as layer thickness, raster angle, air gaps and some others. The performance of the part produced via a desktop FDM machine was measured with the aspect of throwing distance of an object by the part. In order to achieve the optimum performance of the produced part, the Taguchi method was employed because it is a simplified yet powerful method for experimental design using the orthogonal array method. In this project, an orthogonal array of L9 (33) was used and 9 pieces of samples were determined for 3 parameters namely: layer thickness, infill pattern and infill density with 3 levels each. The sample was designed using SolidWorks and FlashForge Dreamer a desktop FDM machine was used to fabricate the 9 samples. The samples were then tested on its performance in throwing objects with different displacement angles of 10º, 15º and 20º. The results were obtained and data was analyzed. The data shows that the samples with parameters combination of 0.2mm layer thickness, hexagon infill pattern and 60% infill density achieved the longest average throwing distance of 52cm, 92cm and 126.67cm for displacement angles of 10º, 15º and 20º respectively. Thus, this result shows that the properties of a product produced using FDM machine varies with different combination of process parameters and the Taguchi Method provides the solution of determining the optimum combination with minimum number of experiment.

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