Influence of Cryogenic Behaviour on Copper Electrode for Non-Conventional EDM

Abstract:

In the last few decades, non-traditional machining has increased the efficiency of the machining process. One of the most prevalent non-traditional methods of milling is through the use of an EDM process. Traditional machining methods can't easily machine materials with a complicated profile or hardness that EDM can handle. The industrial sector makes extensive use of EDM. Cryogenically treated copper electrodes and regular copper electrodes were used to conduct an experiment on an EN24 material using varied input parameters, such as electrode rotation, gap voltage, and discharge current. Electric discharge machining was used in a study. The Taguchi method is used to design experiments. Three input parameters were employed in an orthogonal L16 array to find an optimal value for each of the three components. OC (overcut), TWR (Tool wear rate), and Ra (surface roughness) are the three output variables. The S/N ratio can be used to determine the best values and relative relevance of each of these factors using a statistical analysis of variance (ANOVA) table. Additionally, the overcut, tool wear rate, and surface roughness of traditional and non-traditional EDM are examined. For the deep cryogenic and non-traditional machining method, conventional and non-traditional electric discharge machining methods were found to have optimal or dominant factors for the TWR and Ra.

• Periodical: Key Engineering Materials (Volume 935)
• Pages: 139-150
• DOI: https://doi.org/10.4028/p-a8kj36
• Online since: November 2022
• Authors: V. Manikandan*, Y. Varuvel Antony, P. Mohemedsharifkhan, P. Yuvannarasimman, K. Senthilnathan
• Keywords: Analysis of Variance, Cryogenic, EDM, TWR

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