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곽승용(S. Y. Kwak. J. H. Lee),이종항(D. G. Kim),김동길. 이상조(S. J. Lee) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5
The coolant for cutting process contains several chemicals-sulfur, phosphorus and chlorine etc. to improve the cutting efficiency. But such chemicals generate cancerogenic substances when it is incinerated. So it degenerate the working environment, which is harmful to workers and also causes environmental pollution. In this study compressed cold air was used as a replacement for conventional cutting fluids. The maximum flow rate and the minimum temperature of compressed cold air are respectively 300l/min and -30℃ in this study. To compare cooling effects of compressed cold air and coolant, cutting temperature was measured. To measure the cutting temperature, the thermocouple was embedded in the carbide insert and the temperature was compared when various cooling conditions was applied.