DETERMINATION THE EFFECT OF MACHINING PARAMETERS ON ROUGHNESS IN TURNING OPERATION OF DIN 17210 STEEL USING TAGUCHI TECHNIQUE

Abstract

In this research work an attempt has been made to try to investigate the effects of cutting parameters such as feed rate cutting speed and depth of cut on surface roughness in turning operation of 16MnCr5 steel, is a case hardening steel with by the support of Taguchi technique. An orthogonal array, signal to noise (S/N) ratio and analysis of variance (ANOVA) were used to determine the effects and contributions of cutting speed, feed rate and depth of cut on the response variable. Turning operations were carried out by Tungsten carbide coated cutting tool inserts. The experiments were conducted at three different cutting speeds (400, 600 and 800 rpm) with three different feed rates (0.06, 0.12 and 0.18 mm/rev) and a constant depth of cut (0.5, 1.0 and 1.5 mm). The cutting parameters are optimized using signal to noise ratio and the analysis of variance.obtained result data revelled that depth of cut has most significant effect over surface roughness followed by cutting speed while feed rate has lowest effect.