Abstract
Due to its ability to provide more inter-grit chip space and higher grit protrusion, monolayer-brazed CBN wheel has great potentials in internal traverse grinding (ITG) of small holes of high strength and toughness materials. Before engineering application, it is necessary to study the wear behavior and wear mechanism of the brazed CBN wheels. A series of internal traverse grinding tests was conducted with a small self-manufactured monolayer-brazed CBN wheel. The radial wear, grinding ratio, and ground surface roughness was measured to evaluate the wear behavior of the brazed CBN wheel. Besides, the topographic features of the wheel surface were also observed to explore the wear mechanism. It can be concluded that the wear behavior of the brazed CBN wheel in ITG can be divided into three stages according to the grinding ratio, namely rapid wear stage, transitional wear stage, and stable wear stage. Macro-fracture, attritious wear, and large wear flat were respectively the main wear characteristics during the three wear stages. From the point of grinding ratio and ground surface roughness, the stable wear stages were the most suitable for production, followed by the transitional wear stage.
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Gao, S., Yang, C., Xu, J. et al. Wear behavior of monolayer-brazed CBN wheels with small diameter during internal traverse grinding. Int J Adv Manuf Technol 94, 1221–1228 (2018). https://doi.org/10.1007/s00170-017-0875-z
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DOI: https://doi.org/10.1007/s00170-017-0875-z