Abstract
The current cutting strategies for carbon fiber–reinforced polymer (CFRP) inherit essentially from metal cutting. The frequently occurred damages such as burrs, cracks, and delamination suggest that the existing strategies may not be the best choice for CFRP cutting. This study proposed a sliding cutting strategy especially for CFRP. The novelty is adding an extra lateral velocity on cutting edge to act sliding motion between fiber-matrix and the cutting edge. Then the stress in the materials in front of cutting tip will become more concentrated, which will help to break fibers in desired positions. Thus, the machining quality can be improved. The sliding cutting process was analyzed, and experiments were conducted to examine the proposed strategy. Two types of cutting tools that offered sliding and orthogonal cutting were designed. Four factors, namely machined surface roughness, subsurface damages, forces, and tool wear, were obtained to evaluate the cutting quality. Results show that sliding cutting has more advantages than orthogonal cutting in the four aspects.
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This work was supported by the Natural Science Foundation of Liaoning Province (grant number 2021-BS-194).
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Meng, Q., Huang, Z., Cai, J. et al. An investigation on a new sliding cutting strategy for carbon fiber–reinforced polymers. Int J Adv Manuf Technol 121, 7263–7272 (2022). https://doi.org/10.1007/s00170-022-09826-5
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DOI: https://doi.org/10.1007/s00170-022-09826-5