PARAMETRIC OPTIMIZATION FOR IMPROVED SURFACE FINISH IN CNC TURNING OPERATION
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Abstract
The parameters affecting the roughness of surfaces produced in the turning process for various materials have been studied by many researchers. Design of experimentswere conducted for the analysis of the influence of the turning parameters such as cutting speed, feed rate and depth of cut on the surface roughness.This paper presents a novel approach for the optimization of machining parameters on turning of thetool work piece combination of the Raw material HCHCr with cemented carbide and CBN tool. The parameters –Speed, Feed and Depth of cut to be maintained for HCHCr weredetermined in terms of optional values or levels for the tool. Historic data wasreferred from the records of the company to understand the effect of introducing variation in the input to realize a given output as a ‘Response’ for surface finish. Statistical data analyzed using ANOVA, DOE and Regression to identify the given machining parameters for the operation. Experimental run conducted for validating the values realized through this Analytical treatment of the data.Experimental outcomes have proved that theresponses in turning process can be enhanced efficiently through this freshapproach
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