COMPUTATIONAL AND EXPERIMENTAL ANALYSIS OF PARAMETERS IN CENTRIFUGAL FORCE ASSISTED ABRASIVE FLOW MACHINING PROCESS

Abstract

Centrifugal force assisted abrasive Flow machining has played a vital role in improving the efficiency of the traditional abrasive flow machining process. It has readily kept its stands against the disadvantage of abrasive flow machining and has proven itself as an essential alternative against AFM process. In this works three different rods of different shape (rectangular, triangular and circular) are rotated in the centrifugal force assisted abrasive flow machining setup and the amount of MR (material Removal) and the quality of the surface finish have been observed. ANSYS 15.0 are used for the computational analysis of the centrifugal force assisted AFM process. The three rods are separately modeled and are tested for the same condition and found that pressure on the work piece which is a measure of the material removal is more for the rectangular rod. In order to validate the simulation results, Taguachi optimization technique was used in which the initial reading of material removal was taken by measuring weight and the initial reading of surface Roughness was taken by Taylor Hobson tally surf. After performing the experiment, it was found that for material removal the optimum value would be 300 RPM of rectangular rod speed, extruded with 6 numbers of cycles. And for the percentage improvement in surface finish the optimum values were 200 RPM of triangular rod in which media is extruded to 9 numbers of cycles. Evidently it was found that both the simulation and the experiment justify the centrifugal-force assisted AFM as the suitable mode for finishing operation with the use of suggested Process parameters.