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Microstructure of electrochemical machining using mask by dual power supply

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Abstract

Microstructures have found wide application in many industrial fields such as aerospace, automobile, electronics, etc. This paper proposes a novel processing method of electrochemical machining (ECM) of microstructure. A mask is composed of a patterned insulation plate and inert metal sheet, in which the inert metal sheet acts as auxiliary anode is closely attached to workpiece. A metal plate above the inert metal sheet acts as cathode. When voltages are applied across the workpiece/inert metal sheet and the cathode over which the electrolyte flows at high speed, the workpiece will be dissolved and the metal structure with many microfeatures will be produced according to the Faraday’s law. The proposed technology has significant advantages such as stability, efficiency, and low cost. A mathematical model is developed to predict shape evolution during the ECM using mask by dual power supply. Some experiments were performed to verify the proposed model. The results showed that the simulation data accorded well with the actual profile. The method is applied to produce microstructure with several hundred micrometers diameter and several tens of micrometers in depth.

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Authors and Affiliations

  1. School of Mechanical Engineering, Anhui University of Technology, Ma’an Shan, 243002, China

    Donglin Li, Shubao Yang, Yi Wu & Xiujuan Yu

Authors
  1. Donglin Li
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  2. Shubao Yang
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  3. Yi Wu
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  4. Xiujuan Yu
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Correspondence to Donglin Li.

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Li, D., Yang, S., Wu, Y. et al. Microstructure of electrochemical machining using mask by dual power supply. Int J Adv Manuf Technol 89, 3101–3108 (2017). https://doi.org/10.1007/s00170-016-9290-0

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  • DOI: https://doi.org/10.1007/s00170-016-9290-0

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