Abrasive jet machining using grease for internal polishing of Aluminium tubes

this study deals with a new approach to understand the finishing of abrasive flow machining process in which grease fluid is used to finishing the aluminium tubes. The present study develops optimization for AFM process of Aluminium tubes using Taguchi method. Various parameters such as concentration of abrasive 20 to 60gm, abrasive grit size 100 to 300 grits, number of cycles 20 to 60 are to be considered for analyzing the abrasive flow machining (AFM) performance criteria e.g. Surface finish and material removal. The lowest surface roughness is noted i.e. 0.68 Ra, at 60 gm of concentration of abrasive, 300 grit grain size of abrasive, and 40 number of cycle. The highest material removal is noted i.e. 0.074gm, at 60 gm of concentration of abrasive, 200 grit grain size of abrasive, and 20 number of cycle. For higher Material removal, the optimum parameters for abrasive flow finishing are at 60 gm of concentration of abrasive, 300 grit grain sizes of abrasive, and 60 number of cycle. The optimum parameters for lower Surface roughness, abrasive flow finishing are at 60 gm of concentration of abrasive, 300 grit grain size of abrasive, and 60 number of cycle.