Abstract
Cutting edge preparation has become more important for tool performance. The micro-shape, radius and surface topography of the cutting edge play a significant role in the machining process. The cutting edge of solid carbide end mills has some micro-defects after grinding. For eliminating aforementioned problem, this study investigates drag finishing (DF) preparation for solid carbide end mills to reconstruct cutting edge micro-geometry. This paper is to present the design of DF experimental setup and analyze the characterization of various abrasive media (K3/600, K3/400, HSC 1/300 and HSO 1/100) on the evolution of the surface/roughness along the cutting edge. In parallel, the mechanism of material removal and the kinematics trajectory of the drag finishing are presented. In fact, the form factor (also called as “K-factor”) of the cutting edge micro-geometry is quantified. Comparing with four lapping media, the higher material removal rate (MRR) and the lower surface roughness are obtained by HSO 1/100 abrasive process. The results show that the cutting edge K-factor, MRR and surface topography are influenced by the abrasive particles size, composition and process time.
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Acknowledgements
The authors would like to thank the Guohong tool system (Wuxi) Co., Ltd. for providing the experimental conditions, including drag finishing and cutting experimental devices, tools, workpiece materials, etc.
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The first author Lv DJ has been responsible for writing this paper, testing and collecting experimental data, analysis varies abrasives on preparation of cutting edge, researching the removal mechanism of abrasives. Yu X is responsible for conducting a theoretical model research in the abrasive process. Chen H is responsible for verification, whether as a part of the activity or separate, of the overall reproducibility of results and the cutting edge measurement. Gao Y is responsible for formulation or evolution of overarching research goals and aims. The corresponding author Wang YG is responsible for determining the overall logical structure of the paper and guiding the entire experiment.
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Lv, D., Wang, Y., Yu, X. et al. Analysis of abrasives on cutting edge preparation by drag finishing. Int J Adv Manuf Technol 119, 3583–3594 (2022). https://doi.org/10.1007/s00170-021-08623-w
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DOI: https://doi.org/10.1007/s00170-021-08623-w