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<p>Several studies are available on conventional (C)/modified (M) electrochemical machining (ECM) of conductive workpieces (W/P) to improve the material removal rate (MRR). However, little has been reported on the partial insulation (fixed type) over cathode as a thermoplastic cathode cap (TCC) and the contrast of the C/M-ECM with insulation provided through the floating inter-electrode slit (IEC) and fixed TCC. This study emphasizes the divergence of C/M-ECM with a floating IEC and fixed TCC based on the MRR and other surface characteristics for the Monol-400&#xa0;W/P with the Cu tool. The results suggest that as regards MRR, M-ECM with fixed TCC is a better solution (1.63 × 10<sup>− 3</sup> g/s) followed by floating IEC (7.0 × 10<sup>− 4</sup> g/s), and C-ECM (1.1 × 10<sup>− 5</sup> g/s).</p>

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Investigating the Fixed and Moveable Partial Insulation on the Cathode in Electrochemical Machining

  • 期刊论文

  • 发表日期：

    2025年6月23日

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  • Rupinder Singh,
  • Gurwinder Singh,
  • Arun Dutt Sharma,
  • Dixit Garg

摘要

Several studies are available on conventional (C)/modified (M) electrochemical machining (ECM) of conductive workpieces (W/P) to improve the material removal rate (MRR). However, little has been reported on the partial insulation (fixed type) over cathode as a thermoplastic cathode cap (TCC) and the contrast of the C/M-ECM with insulation provided through the floating inter-electrode slit (IEC) and fixed TCC. This study emphasizes the divergence of C/M-ECM with a floating IEC and fixed TCC based on the MRR and other surface characteristics for the Monol-400 W/P with the Cu tool. The results suggest that as regards MRR, M-ECM with fixed TCC is a better solution (1.63 × 10− 3 g/s) followed by floating IEC (7.0 × 10− 4 g/s), and C-ECM (1.1 × 10− 5 g/s).