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Experimental investigation on the influence of electrochemical micro-drilling by short pulsed voltage

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Abstract

In this work, a tungsten carbide (WC) pin 50 μm in diameter was used to drill throughout nickel plates of 200 μm in thickness by electrochemical micro-machining. A novel pulsed power generator was used to support pulses of nanosecond duration in drilling. The influences of working parameters, such as pulsed duration, applied voltage, pulse frequency, electrolyte concentration, tool feed rates, and hole depth, on the hole overcut and conicity are investigated. A high-quality micro-hole with 11.1-μm overcut was drilled on a nickel plate of 200 μm in thickness.

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Authors and Affiliations

  1. Department of Mechanical Engineering, National Central University, Chung-Li, Taiwan, 32054, Republic of China

    Zhi-Wen Fan, Lih-Wu Hourng & Ming-Yuan Lin

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  1. Zhi-Wen Fan
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  2. Lih-Wu Hourng
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  3. Ming-Yuan Lin
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Correspondence to Lih-Wu Hourng.

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Fan, ZW., Hourng, LW. & Lin, MY. Experimental investigation on the influence of electrochemical micro-drilling by short pulsed voltage. Int J Adv Manuf Technol 61, 957–966 (2012). https://doi.org/10.1007/s00170-011-3778-4

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  • DOI: https://doi.org/10.1007/s00170-011-3778-4

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