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Advances in Material Sciences and Engineering pp 7–16Cite as

The Effect of the Gap Distance Between Electrodes on Removal Rate in PMEDM Using FEA

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Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

The numerical investigation using Finite Elements Analysis (FEA) reflects the prediction of the removal rate of the complicated materials in the Electrical Discharge Machining (EDM). Furthermore, it clarifies the ability of the electrothermal energy for the plasma channel to specify behaviors of the removal operation in this environment. One of the significant purposes of using FEA is reduction the experimental cost in both fields of EDM and Powder Mixed-EDM (PMEDM). Therefore, this investigation technique invested in these fields because of the similarity to a large extent between it except for the case of the impedance of the dielectric liquid. The powder additive to this liquid contributes to overcoming the impedance and enhancing the EDM performance. The numerical Kansal’s model was used with PMEDM to determine the applied heat flux of the plasma channel between electrodes which require modifying to avoid unstable voltage terminology. At the same time, it is observed a duration the relationship between the spark gap and the voltage of PMEDM system during the pulse. Therefore, this paper will study the effect of the gap distance on the removal rate that is taking place in D2 steel with Chromium Powder Mixed-EDM (CPMEDM) environment. This study depends on the numerical simulation using FEA by modifying Kansal’s model to include the spark velocity without relying on the voltage in PMEDM. The results of numerical validation proved during this study shows that the best Material Removal Rate (MRR) is at gap distance = 0.35 mm with the average of error ratio = 6.29%, while the increasing the gap distance must be restricted with equivalent voltage in PMEDM.

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Acknowledgements

The authors would like to give a special thank to the Ministry of Higher Education Malaysia (MOHE) and Universiti Tun Hussein Onn Malaysia represented by the teams of Precision Machining Research Centre (PREMACH) and Advanced Manufacturing and Materials Centre (AMMC) for their unlimited support to complete this paper.

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Authors and Affiliations

  1. Faculty of Mechanical and Manufacturing Engineering, University Tun Hussein Onn Malaysia (UTHM), Parit Raja, Batu Pahat, Johor, Malaysia

    Mohammed Abdulridha Abbas & Mohd Amri Lajis

  2. Engineering‎ Technical College (ETCN), AL-Furat AL-Awsat Technical University (ATU), Main Hilla-Baghdad Road, Kufa, Iraq

    Mohammed Abdulridha Abbas

Authors
  1. Mohammed Abdulridha Abbas
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  2. Mohd Amri Lajis
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Corresponding author

Correspondence to Mohammed Abdulridha Abbas .

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Editors and Affiliations

  1. Department of Mechanical Engineering, Universiti Teknologi PETRONAS, Seri Iskandar, Perak, Malaysia

    Mokhtar Awang

  2. Department of Mechanical Engineering, Universiti Teknologi PETRONAS, Seri Iskandar, Perak, Malaysia

    Seyed Sattar Emamian

  3. Department of Mechanical Engineering, University of Malaya, Kuala Lumpur, Malaysia

    Farazila Yusof

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Abbas, M.A., Lajis, M.A. (2020). The Effect of the Gap Distance Between Electrodes on Removal Rate in PMEDM Using FEA. In: Awang, M., Emamian, S., Yusof, F. (eds) Advances in Material Sciences and Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-13-8297-0_2

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  • DOI: https://doi.org/10.1007/978-981-13-8297-0_2

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-8296-3

  • Online ISBN: 978-981-13-8297-0

  • eBook Packages: EngineeringEngineering (R0)

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