Abstract The poor surface finish of the printed parts has always been a major concern in the extrusion-based additive manufacturing process. Therefore, a hybrid additive subtractive manufacturing process has been developed to enable printing and machining on the same setup for improving surface finish. In the present approach, firstly the part has been printed with the help of in-house developed material deposition tool (MDT), and then machining operation has been performed for reducing the peak to valley heights. An indigenous software module is also developed to generate the toolpath for additive and subtractive manufacturing. The feasibility of the approach has been presented through a case study in which a cube is fabricated and machined. The surface roughness profiles are recorded before and after the machining process. The results show the significant reduction in the surface roughness of the final part obtained after performing machining operation. The outcome of the current study might be useful in automobile and aerospace industries where parts with high surface quality are required.
On the Surface Finish Improvement in Hybrid Additive Subtractive Manufacturing Process
2018-12-15
7 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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