Abstract
Owing to the low thermal conductivity and elasticity, cutting burn defect is easy to produce during machining of titanium alloy Ti6Al4V. Firstly, the relationship between the tool wear rate and cutting burn was studied. Nine sets of experiments with different cutting parameters were conducted to obtain the tool wear morphology after different cutting lengths. The tool flank wear and cutting force were measured and collected. Accordingly, the tool wear model formula was built based on the multiple linear regression analysis using the least-squares method. Then, the tool worn model was established according to the experimental tool wear morphology and used in the Deform 3D FEM software to simulate the cutting burn temperature. At last, the cutting burn temperature and its corresponding tool wear were obtained. The results show that the biggest factors that influence the wear rate were cutting speed, feed rate, cutting width, and cutting depth in order, and the cutting burn defect could occur as long as the cutting temperature reached to 1000 °C and the tool flank wear was larger than 0.6 mm.
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Sui, S.C., Feng, P.F. The influences of tool wear on Ti6Al4V cutting temperature and burn defect. Int J Adv Manuf Technol 85, 2831–2838 (2016). https://doi.org/10.1007/s00170-015-8093-z
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DOI: https://doi.org/10.1007/s00170-015-8093-z