Abstract
Present study focuses on performance of high pressure coolant on tool wear while turning EN8 material. In industry common practice is to use low pressure coolant up to 10 bar. In the present experimentation, instead of low pressure, high pressure coolant (70 bar) is used. The set of experiments are conducted on CNC machine during turning operation on cylindrical component made up of EN8 steel. It is observed through set on experiments that with increase in pressure of coolant during turning operation shows reduction in tool wear considerably. With 10 bar pressure of coolant Ra value for 160th component is 2.923 μm, whereas with 20 bar pressure Ra value for 200th component is 1.687 μm and for 70 bar pressure for 520th component is 1.521 μm.
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