Abstract
The design and development of elastic products for additive manufacturing has the particularity that the manufacturing parameters can affect the aesthetic and functional properties due to the flexible nature of the material. Therefore, the selection of each of them should not be analysed separately. For this reason, in this work, different printing parameters were explored sequentially, observing their influence on the final finish obtained with the aim of adjusting the appropriate values to provide valid prototypes and products. Layer height, wall thickness, followability, extrusion temperature, shrinkage and printing speeds were studied. As a result, the parameters that offer the best results, with respect to the quality of finish, in 3D printing of TPU for application to the design of elastic products were determined.
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