Abstract
In this work the turning operation is performed on Super alloy 2205 and their material removal rate also known as MRR and surface roughness (Ra) characteristics are investigated. Uncoated tungsten carbide tool is used to machine the Super alloy 2205. The super alloy 2205 is widely used because of its high strength and is used in high chloride and marine environments because of its high corrosion resistance characteristics. The machining was done in CNC lathe as per Taguchi’s methodology. L9 Orthogonal arrays are used for parameter design and it is widely used for optimizing quality and performance of the manufacturing processes. The main purpose of this investigation is to obtain optimal process parameters in turning the Super alloy 2205 for increasing the MRR and simultaneously decreasing the surface roughness of the manufactured component. Speed of the spindle, Feed and Depth of Cut are the factors selected as input parameters and the Material Removal Rate (MRR) and Surface Roughness are considered as output responses. The results are analyzed using MINITAB 19 software to know the optimal process parameters suitable for machining the alloy. ANOVA is conducted on the results obtained to find the contribution of each machining parameter and to know the key factor which influences the material removal rate and surface roughness. Results indicated that DOC dominated the MRR while machining the super alloy and Surface Roughness was influenced Spindle Speed and Feed rate.
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