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Experimental analysis of Inconel 625 alloy to enhance the dimensional accuracy with vibration assisted micro-EDM

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Abstract

With the continuous improvement in manufacturing processes there is an amalgamation of digital technology with traditional concepts. Electric discharge machining is one such example of it. The more industries digitalize it the more is the degree of automation. In present experimental work ZNC Electrical Discharge Machine has been used to perform the experiments. Total 18 experiments have been performed on Inconel 625 alloy as per the orthogonal array prepared by Minitab software. Tool electrode, peak current, pulse on time (Ton) and pulse of time (Toff) are considered as input parameters. There were two levels of tool and rest were assigned three levels. 9 experiments were conducted via copper tool without vibration and in remaining 9 experiments vibration assisted copper tool was used. Vibration was given to tool with coin vibration motor which was powered by battery. It was observed that when Toff was increased from 25 to 35 µs the surface roughness enhances by 23.23%. Also, it was found that circularity improves by 25.85% when Ton is raised from 140 to 160 µs. Surface roughness of each drilled hole was measured using surface roughness tester and circularity was measured using Quick Image. The FESEM and EDS has performed on the machined specimen to analyze the microstructure and chemical composition.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Manipal University Jaipur, Jaipur, 303007, India

    Ashok Kumar Sharma, Vishal Singh & Ashish Goyal

  2. Department of Computer Sciences and Engineering, Institute of Advanced Research, Gandhinagar, Gujarat, 382426, India

    Ankit D. Oza

  3. Department of Mechanical Engineering, Sardar Patel College of Engineering, Munshi Nagar, Andheri West, Mumbai, 400058, India

    Kiran S. Bhole

  4. Department of Mechanical Engineering, ABES Engineering College, Ghaziabad, U.P., 201009, India

    Manoj Kumar

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  1. Ashok Kumar Sharma
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Correspondence to Ashish Goyal.

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Sharma, A.K., Singh, V., Goyal, A. et al. Experimental analysis of Inconel 625 alloy to enhance the dimensional accuracy with vibration assisted micro-EDM. Int J Interact Des Manuf (2023). https://doi.org/10.1007/s12008-023-01228-5

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