Tooling design for ecm

Abstract This paper critically reviews existing analytical models, ie classical ecm theory, the cos θ method, the analogue method, the finite difference technique, the complex variable technique, a perturbation method and nomigraphic and empirical approaches to metal removal in ecm. A review of the progress to date made in the fields of application of the finite elements technique to several electrochemical operations, ie ecm, ec drilling, boring, wire cutting etc is also presented. An introduction to the application of three dimensional finite element analysis to ecm problems is included. The paper suggests areas where future work could improve the accuracy of existing models pertaining to ecm tool design

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