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Electrolytic Micro Machining Technology

[+] Author Affiliations
Donald G. Risko

The Ex One Company

Paper No. IMECE2005-81451, pp. 1315-1320; 6 pages
doi:10.1115/IMECE2005-81451
From:
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Manufacturing Engineering and Materials Handling, Parts A and B
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Manufacturing Engineering Division and Materials Handling Division
  • ISBN: 0-7918-4223-1 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME

abstract

The electrolytic machining process that has been used for many years to machine airfoil surfaces in turbine engine applications and critical features in diesel injection nozzles is emerging as a machining process for features in the 1 to 100 micron range. Like Electrochemical Machining (ECM), Electrolytic Micro Machining is a very fast area based machining process. In most cases, all features can be machined simultaneously in two to three seconds or less. The technology draws upon the basics of ECM which is an application of Faradays Law to metal removal. Tooling that consists of precise cathodes and fixtures are critical to the machining outcome, as are other factors such as electrolyte parameter selection. Using pulsed direct current to achieve high current densities with necessary “relaxation” time, can enable the process to machine in a predictable manner. Tooling is not consumed in the traditional sense, therefore, the economics of the process for medium to high volume production is very attractive.

Copyright © 2005 by ASME
Topics: Micromachining

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