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2000
Volume 7, Issue 3
  • ISSN: 2212-7976
  • E-ISSN: 1874-477X

Abstract

This paper aims to investigate the optimization of process parameters of micro holes machining in Electric Discharge Machining (EDM) for Stainless Steel grade 304 (SS 304) on the machining characteristics using the Grey Relational Analysis (GRA) method. Twenty seven experimental runs based on the Orthogonal Array (OA) of Taguchi method have been carried out. The multi-objective optimization of the process parameters such as Material Removal Rate (MRR), Tool Wear Rate (TWR), Diametral Overcut (DOC) and Taper (T) has been performed. The current is identified to be the most influential factor of the MRR, TWR and the T, and the pulse-off time has an impact on DOC. Furthermore, the analysis of variance (ANOVA) is carried out to identify the most significant factor. The experimental results also examined the influence of various process parameters through SEM micrographs. In this article, recent patents have been discussed.

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/content/journals/meng/10.2174/2212797607666140901235031
2014-09-01
2025-10-02
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  • Article Type:
    Research Article
Keyword(s): ANOVA; EDM; grey relational analysis; micro-hole; optimization; white layer
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