Abstract
With simplicity and accuracy, conductive hard materials may be machined using the non-traditional material removal technique known as electrical discharge machining (EDM). In the present research endeavour, the influence of using vegetable oil (fresh vegetable oil (FVO), Used Vegetable Oil (UVO) and Mixed Vegetable Oil (MVO)) as an eco-friendly dielectric fluid during die sinking EDM of HCHCr steel has been investigated. Effects of several input variables, including current, pulse width, gap voltage, duty cycle, and using copper and copper chromium electrodes have been examined by employing the Taguchi L18 mixed orthogonal array (OA) technique, to assess the response in terms of Material Removal Rate (MRR), Tool Wear Rate (TWR), and Surface Roughness (SR).
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