International Journal of
TechnoChem Research

ISSN 2395 - 4248

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  • Co-Published with Asian Publication Corporation
  •  Co-Published with Asian    Publication Corporation  

     Co-Published with Asian    Publication Corporation  

     Co-Published with Asian    Publication Corporation  

     Co-Published with Asian    Publication Corporation  

ABSTRACT

Selection of end Milling Parameters on AA7075-15 Wt. % B4C Metal Matrix Composites

S.V. Alagarsamy, M. Ravichandran, P.Raveendran, K.Karthikeyan, H.Saravanan

ABSTRACT

This work was to investigate the effect of CNC end milling process parameters for machining of AA7075-15 wt. % B4C metal matrix composite by using Taguchi design methodology. The composite was fabricated through stir casting route. Material Removal Rate(MRR) and Surface Roughness (SR) were selected as the output responses. The experiments were carried out based on Taguchi’s L9 orthogonal array by choosing various input parameters such as: cutting speed (rpm), feed rate (mm/min) and depth of cut (mm) at three levels. Signal-to-Noise ratios and main effect plots were used to find the optimal levels of parameters in CNC end milling process. Analysis of variance (ANOVA) was used to determine the effects of the machining parameters on material removal rate and surface roughness. From the results observed that the depth of cut is the most influencing factor affecting the material removal rate and feed rate is the most dominant factor affecting the surface roughness. Keywords : AA7075, B4C, END milling, MRR, SR, Taguchi method, ANOVA.

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