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Experimental Investigation and Optimization of Machining Process Parameters in AISI D2 Steel Under Conventional EDM and Cryogenically Cooled EDM Process

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Abstract

Electrical discharge machining (EDM) is a well-established machining option for manufacturing geometrically complex or hard material parts that are extremely difficult-to-machine by conventional machining processes. In this research work, investigations were carried out on the machining of AISI D2 tool steel under conventional EDM and cryogenically cooled EDM process (CCEDM). The input process parameter such as current (Ip), pulse on time (Ton) and gap voltage (V) were investigated and the output responses like electrode wear ratio, metal removal rate and surface roughness were explored. Experiments were conducted using L18 orthogonal array in EDM machine. Experimental results showed reductions in the electrode wear of 16% over CCEDM process. A grey relational analysis was used to solve the EDM process with multi performance characteristics to optimize EDM parameters.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Madanapalle Institute of Technology & Science, Angallu, Andhra Pradesh, 517325, India

    S. VinothKumar

  2. Department of Mechanical Engineering, CEG Anna University, Chennai, 600025, India

    M. PradeepKumar

Authors
  1. S. VinothKumar
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  2. M. PradeepKumar
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Correspondence to S. VinothKumar.

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VinothKumar, S., PradeepKumar, M. Experimental Investigation and Optimization of Machining Process Parameters in AISI D2 Steel Under Conventional EDM and Cryogenically Cooled EDM Process. Trans Indian Inst Met 70, 2293–2301 (2017). https://doi.org/10.1007/s12666-017-1092-z

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  • DOI: https://doi.org/10.1007/s12666-017-1092-z

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