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Reducing electrode wear ratio using cryogenic cooling during electrical discharge machining

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Abstract

In this study, cooling effect of copper electrode on the die-sinking of electrical discharge machining of titanium alloy (Ti-6Al-4V) has been carried out. Investigation on the effect of cooling on electrode wear and surface roughness of the workpiece has been carried out. Design of experiment plan for rotatable central composite design of second order with four variables at five levels each has been employed to carry out the investigation. Current intensity (I), pulse on-time (t on), pulse off-time (t off), and gap voltage (v) were considered as the machining parameters, while electrode wear and surface roughness are the responses. Analysis of the influence of cooling on the responses has been carried out and presented in this study. It was possible to reduce electrode wear ratio up to 27% by electrode cooling. Surface roughness was also reduced while machining with electrode cooling.

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Authors and Affiliations

  1. Department of Manufacturing and Materials Engineering, Kulliyyah of Engineering, International Islamic University, P.O. Box 10, 50728, Kuala Lumpur, Malaysia

    Suleiman Abdulkareem, Ahsan Ali Khan & Mohamed Konneh

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  1. Suleiman Abdulkareem
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  2. Ahsan Ali Khan
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  3. Mohamed Konneh
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Correspondence to Suleiman Abdulkareem.

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Abdulkareem, S., Khan, A.A. & Konneh, M. Reducing electrode wear ratio using cryogenic cooling during electrical discharge machining. Int J Adv Manuf Technol 45, 1146 (2009). https://doi.org/10.1007/s00170-009-2060-5

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  • DOI: https://doi.org/10.1007/s00170-009-2060-5

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