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Numerical simulation of micro-EDM model with multi-spark

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Abstract

Micro-electrical discharge machining (EDM) has been identified as a micromachining process for the fabrication of components of size down to the micrometer level. This process is derived from EDM, and the principles of both the processes are similar; yet, due to significant scaling down of the micro-EDM process, lots of modifications in circuit design, electrode diameter, stress developed, and energy levels are needed. The specific analysis and modification of micro-EDM process are required to understand these capability and limitations. Therefore, a numerical model based on finite volume method has been developed to solve the micro-EDM model equations and thereby predict the effect of spark ratio (spark on time/spark off time) on the temperature distribution in the material. Moreover, the results of the analysis are successfully tested against published ones.

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Authors and Affiliations

  1. Department of Technical Education, Bangalore, Karnataka, India

    K. P. Somashekhar

  2. Department of Mathematics, National Institute Technology (NIT) Calicut, Calicut, Kerala, India

    S. Panda

  3. Mechanical Engineering Department, National Instituteof Technology (NIT) Calicut, NIT (PO)-673601, Calicut, Kerala, India

    J. Mathew & N. Ramachandran

Authors
  1. K. P. Somashekhar
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  2. S. Panda
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  3. J. Mathew
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  4. N. Ramachandran
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Correspondence to K. P. Somashekhar.

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Somashekhar, K.P., Panda, S., Mathew, J. et al. Numerical simulation of micro-EDM model with multi-spark. Int J Adv Manuf Technol 76, 83–90 (2015). https://doi.org/10.1007/s00170-013-5319-9

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  • DOI: https://doi.org/10.1007/s00170-013-5319-9

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