Abstract
This paper proposes a model to predict the material removal mode in soda-lime glass micro-grinding. This model defines material removal process to three stages which conclude ductile type, ductile-brittle type and brittle type by the quantization of undeformed chip thickness h m . The model for computing undeformed chip thickness in micro-grinding has been built considering tool topography, grit distribution and size effect in this paper. Micro-grinding experiments with different cutting depth on soda-lime glass have been designed and conducted. From experiment results, it was found that the edge crack length tends to have a wide range with different h m . Three types of chip have been investigated in results, and coolant has been verified to be an important factor to soda-lime glass ductile-regime micro-grinding. Critical depths of soda-lime glass micro-grinding have been found to be 2 and 5 nm, grinding forces in experiment provide the proof to predictive model proposed by this paper.
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Cheng, J., Gong, Y.D. Experimental study on ductile-regime micro-grinding character of soda-lime glass with diamond tool. Int J Adv Manuf Technol 69, 147–160 (2013). https://doi.org/10.1007/s00170-013-5000-3
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DOI: https://doi.org/10.1007/s00170-013-5000-3