Comparison of surface roughness quality obtained by high speed CNC trimming and high speed robotic trimming for CFRP laminate |
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| Affiliation: | 1. Mechanical Engineering Department, Faculty of Technology, University of M''sila, Algeria;2. Mechanical Engineering Department, École de Technologie Supérieure (ÉTS), 1100 Notre-Dame Street West, Montréal, QC, Canada H3C 1K3;1. Assoc. Prof. Dr., Anadolu University, Faculty of Engineering, Department of Mechanical Engineering, Eskişehir 26555, TURKEY;2. University of Karabuk, Faculty of Technology, Department of Manufacturing Engineering, Karabük 78050, TURKEY;1. Faculty of Mechanical Engineering, Institute of Science and Engineering, Kanazawa University, Japan;2. Division of Mechanical Science and Engineering, Graduate School of Natural Science & Technology, Kanazawa University, Japan;1. Institute of Production Management and Technology, Hamburg University of Technology, 21073 Hamburg, Germany;2. Department of Materials and Process Engineering, Daimler AG, 70546 Stuttgart, Germany |
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| Abstract: | This paper proposes an experimental approach for evaluating the surface roughness of the CFRP parts produced by high speed CNC trimming and high speed robotic trimming under various cutting conditions. A comparison is made between the surface roughnesses obtained by the two processes. The results obtained show that, the measured profiles obtained from high speed robotic trimming are dominated by a large trajectory deviation, as compared to machine tool trimming results. After the trajectory deviation effect is discounted, the results show that for the +45° ply orientation, the surface quality obtained through high speed robotic trimming is similar to what is obtained with the CNC machine. Furthermore, a significant relationship was observed between the surface quality and the ply orientation, whatever the machining process and the cutting conditions employed. The −45° ply orientation represents the worst case in terms of surface roughness, whatever the machining process. It is 4 times higher compared with that of +45° ply orientations,The results also show that the effect of cutting conditions on surface quality is significant for both machining processes tested. |
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| Keywords: | CFRP Trimming Roughness Robotic machining Surface finish |
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