Rajeswari.B

K.S.Amirthagadeswaran

Vadivel S.M

Abstract

High speed machining has emerged to become one of the most versatile material removal processes in industries. The objective of this study is to investigate the effect of machining parameters on the variations of surface roughness, MRR, and power consumption. The experiments were conducted based on Box-Behnken method of Response Surface Methodology and performed with AISI 4340 steel work material. The end milling is done with three different helix angles as 20, 25, 30 degrees made of High Speed Steel, 12 mm diameter and four flutes at different speeds, feed rates and depth of cuts. The surface roughness, cutting forces in three directions, were measured. The optimal parameter settings were found for good surface finish, high rate of material removal with less power consumption.

Keywords- surface roughness, cutting forces, material removal rate RSM, model, end milling.