Journal
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
Volume 69, Issue 1-4, Pages 147-160Publisher
SPRINGER LONDON LTD
DOI: 10.1007/s00170-013-5000-3
Keywords
Micro-grinding; Ductile regime; Undeformed chip thickness; Critical depth; Soda-lime glass
Funding
- National Natural Science Fund For Young Scholars of China [51205053]
- National Natural Science Fund [51075064]
- China Special Fund from the Central Collegiate Basic Scientific Research Bursary [110303001]
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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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