V. Uma Sai Vara Prasad ,K. Venkata Rao,Ch. Nagraju ,M. Venu,M. Venkataiah,




Surface quality ,ultrasonic vibration,ANOVA,Helical milling,


Surface quality is a vital aspect  to assess the eminence of products that chooses wear and also stimuli quality of assemblies. The research journal article is focused to estimate the surface quality during helical milling with ultrasonic vibration assistance to workpiece. This study presents an investigation of surface eminence on ultrasonic machining (UM) of difficult to cut material of D2 steel, an effort was  made for modeling response i.e. surface roughness(Ra) in UM technique by means of DESIGN EXPERT software. Three operational factors i.e. spindle speed(N), axial depth(ap)  each at two levels and orbital speed(nc) of four levels were  varied to investigate surface quality variations with respect to levels of operational factors. The ANOVA was performed to ascertain importance of model established. The testings outcomes confirms validity and competence of model developed.


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