Machining of Austenitic Stainless Steel Under Various Cooling-Lubrication Strategies Smita Padhan, Ajay Kumar Behera, and Sudhansu Ranjan Das Abstract



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Conclusions
Machining with MQL relatively performed well as compared to above three precited
C/L condition and effectively removed heat and dewberries from the cutting zone and provided better cooling and lubrication effect. Implementation of MQL technique results in (i) minimizing cutting force by decreasing thermal stress. (ii) improve surface quality by providing better cooling and lubrication (iii) decrease cutting temperature by effectively removing heat from cutting zone and (iv) lower tool wear rate by decreasing thermal stress. During the investigation, the tool life of minis recorded for MQL condition, whereas it was found to be 34, 47 and in case of dry cutting, compressed air-cooled and flooded condition. Result shows that the tool life in machining under MQL are 138, 72 and 11% greater than dry,
compressed air, flooded condition, respectively. The use of SiAlON ceramic tool results in more economically feasible under MQL environment as the total machining cost per component is lower (Rs. 19.79) in comparison to dry (Rs. 26.81), compressed air (Rs. 23.4), flooded (Rs. 21.76) machining conditions.
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