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A prodigious research work is being effectuated to endorse the optimal machining parameters while entailing present day machining techniques to bring outclassy products. This research work insisted on suggesting the optimum process parameters of die sinking EDM with 8mm diameter copper electrode during machining AISI D2 steel using TOPSIS.Taguchi’s...
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... The Taguchi-DEAR method has been used for non-traditional machining processes such as in waterjet machining [13] and in electrical discharge machining [14,15]. The TOPSIS method has been applied for drilling [16,17], milling [18,19], turning [20,21], EDM [22][23][24], and abrasive waterjet machining [25], etc. The MARCOS method was used for turning, milling and drilling processes [26]. ...
... Then, the average weighted values are found using Formula (21) with the note that since k is 1, w j = w j . The n ij values are calculated by Equation (22) with e j determined by (23). Furthermore, Equation (24) is used to calculate v ij . ...
The MCDM problem is very important and often encountered in life and in engineering as it is used to determine the best solution among various possible alternatives. In this paper, the results of the MCDM problem in the dressing process for internal grinding are presented. To perform this work, an experiment with six input parameters, including the depth and the time of fine dressing, the depth and the time of coarse dressing, non-feeding dressing, and dressing feed rate, was conducted. The experiment was designed according to the Taguchi method with the use of L16 orthogonal arrays. In addition, TOPSIS, MARCOS, EAMR and MAIRCA methods were selected for the MCDM to obtain the minimum SR and the maximum MRR simultaneously. In addition, the weight determination for criteria was implemented by MEREC and entropy methods. From the results, the best solution to the multi-criteria problem for the dressing process in internal grinding has been proposed.
