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Research Paper | Mechanical Engineering | India | Volume 8 Issue 10, October 2019 | Popularity: 6.2 / 10

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Optimization of Machining Parameters on Electric Discharge Machining (EDM) of Maraging Steels C300

Pottakarla Mahesh, Akkala Yakanna

Abstract: Electric discharge machining is categorized under thermoelectric process in which heat energy of spark is used to remove the material from work piece. This process involves controlled deterioration of electrically conducting material by the initiation of rapid and repetitive electrical spark discharges among tool and work piece, which are divided by dielectric. The present thesis aimed that is to characterizing the electric discharge machining parameters of maraging steels 300 on EDM by using Graphite as a electrode. Total 9 experiments are performed according to L9 orthogonal array and optimized values are obtained from Taguchi analysis. The Machining is executed by varying EDM process parameters such as pulse off time, current and pulse on time. The outputs are measured like material removal rate and surface finish are assessed. It is found that metal removal rate and surface roughness are increasing with increasing current and pulse on time.

Keywords: spark, dielectric, maraging steels, EDM, Graphite, Taguchi analysis

Edition: Volume 8 Issue 10, October 2019

Pages: 521 - 526

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