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Use of machine learning algorithms for surface roughness prediction of printed parts in polyvinyl butyral via fused deposition modeling
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Use of machine learning algorithms for surface roughness prediction of printed parts in polyvinyl butyral via fused deposition modeling
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Journal Article
Use of machine learning algorithms for surface roughness prediction of printed parts in polyvinyl butyral via fused deposition modeling
2021
Overview
Machine learning algorithms for classification are employed in this study to generate different models that can predict the surface roughness of parts manufactured from polyvinyl butyral by means of Fused Deposition Modeling (FDM). Five input variables are defined (layer height, print speed, number of perimeters, wall angle, and extruder temperature), and 16 parts are 3D printed, each with three different surfaces (48 surfaces in total). The print values used to print each part were defined by a fractionated orthogonal experimental design. Using a perthometer, the average value of surface roughness,
Ra
, on each surface was obtained. From these experimental values, 40 models were trained and validated. The model with the best prediction results was the one generated by bagging and Multilayer Perceptron (BMLP), with a Kappa statistic of 0.9143. The input variables with the highest influence on the surface finish are the wall angle and the layer height.
Publisher
Springer London,Springer Nature B.V
