Optimization Of Cutting Parameters For Dry Turning Of Flake Graphite Cast Iron Material

Abstract

Nowadays, material development is focused on the continuous enhancement of a material’s property. To lower machining costs, fabricators commonly order materials with superior machinability properties while with mechanical and physical properties that are unchanged. Turning of dry Flake graphite cast iron on conventional lathe machine is applicable in the industry for many purposes. However, due to segmented chip formation machinability of this material is difficult. In this research Optimization of machinability of dry Flake graphite cast iron using conventional machining was conducted to obtain optimum surface finish. Study optimum cutting parameters for achieving minimum surface roughness, investigate tool life, and factors that affect tool life. Dry turning operation is very important for saving the cost of cutting fluid; contribute to a clean environment and is good for the safety of machinists. Identifying Flake graphite Cast iron Chips producing for all grades of Flake graphite cast irons are segmented and discontinuous which causes difficulty to maintain a good surface finish. The effect of cutting parameters optimized for dry turning process using DOE. The effect of Tool wears studied qualitatively for each optimized parameter. Chip morphology was studied for observation of machinability at optimized cutting parameters. Machining operations for dry turning particularly Flake graphite cast iron materials on conventional machining (turning) and at optimized of cutting parameters good surface finish was achieved. For the effect of cutting speed 55m/min, the Ra value was 1.97µm, feed of 0.3mm/rev has 1.97µm, Ra value and depth of cut of 0.5mm, the Ra value 2.24 µm obtained at optimized parameters experimentally. The result of variance (ANOVA) indicates that the contribution of cutting speed, feed, and depth of cut were 72.93%, 24.62%, and 1.75% respectively. The cutting speed was the most significant factor for improving surface roughness.