Year: 2013 | Month: December | Volume 1 | Issue 2
Multi response Characteristics of Machining Parameters During Drilling of Alluminium 6061 alloy by Desirability Function Analysis using Taguchi Technique
Abstract: <div>This paper presents a new approach for optimizing the machining parameters on drilling of alluminium 6061 alloy. Optimization of machining parameters was done by an analysis called desirability function analysis (DFA), which is a useful tool for optimizing multiresponse problems. In this work, based on Taguchi’s L27 orthogonal array, drilling experiments were conducted over a wide a range of cutting conditions such as spindle speed varied in the range 600 rpm to 1000 rpm in 3steps, feed rate varied from 0.3 to 0.6mm /rev in 3 steps, high-speed steel (HSS) drills of 3 different diameters (8mm, 10mm</div><div>and 12mm) and different point angles have been used for drilling of 27 through holes on 10mm depth with variable combination of soluble oil mixing with pure water on Aluminum 6061 alloy. A drill tool dynamo meter was used to record the thrust force and torque. A composite desirability value is obtained for the multi-responses using individual desirability values, based upon that value, the optimum levels of parameters have been identified and significant contribution of parameters were determined by analysis of variance (ANOVA).</div><div>Confirmation test was conducted to validate the test result, which shows that the multiresponses in the machining process are improved through this approach. Thus, the application of desirability function analysis in Taguchi technique proves to be an effective tool for optimizing multi response characteristics of machining parameters during of drilling of alluminium 6061 alloy.</div>
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