Abstract

An experimental investigation was conducted on High Speed Steel single point cutting tools, having (6 11 7 7 16 21° 1 1/2 mm) A.S.A. tool designation. The machined workpieces (rods) were made of four different kinds of plain carbon steel, which had been heat treated in such ways to produce a total number of 14 rods having different Brinell Hardness Numbers, ranging from 119 to 444. These 14 heat treated steel rods were machined dry with 1 mm depth of cut, 0.25 mm/revolution feed rate at different cutting speeds in order to measure the “Tool Life” in each case.

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