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For annular narrow slot structure of electrochemical machining process test cycle is long, type face the problem of difficult to predict, establish mask electrochemical machining process of the electric field, flow field and temperature field coupling mathematical model, using COMSOL Multiphysics to numerical simulation of multiple physical fields, get the machining gap in electrolyte, current density, velocity and pressure distribution. The results show that the multi-physical field coupling simulation technology can correctly budget the electrochemical machining process, provide a theoretical basis for the actual machining process parameters, and is of great significance to improve the quality and efficiency of electrochemical machining with narrow groove structure. Keywords-Annular Narrow Slot; Mask Electrolytic Machining; Multi-physical Field Coupling; Numerical Simulation

Study on Numerical Simulation of Electrochemical Machining Ring Narrow Groove