Transactions of Nanjing University of Aeronautics & Astronautics
Machinability Investigation and Optimization of Process Parameters in Cryogenic Assisted Sustainable Turning of AISI-L6 Tool Steel
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Abstract:
The application of cutting fluid is significantly increased in the machining sector to improve productivity. However, the inherent characteristics of cutting fluids on ecology, environment, and society shift the interest of researchers to work on environmentally friendly cooling conditions such as cryogenic cooling. Here, the effect of cutting speed and feed rate on the machining performance of the AISI-L6 tool steel is investigated under cryogenic cooling conditions. Then, the L9 Taguchi based grey relational analysis (GRA) is conducted to investigate the essential machining indices such as cutting energy, surface roughness, tool wear, and material removal rate (MRR). The results indicate that the cutting speed of 160 m/min and feed rate of 0.16 mm/r are the optimum parameters that significantly improves the machining performance of AISI-L6 tool steel.
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TH161
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