Smoothing of initial roughness in electrochemical machining

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Abstract
This paper deals with the study of the smoothing of the anode surface in electrochemical machining (ECM). An experimental ECM unit, and a relocation fixture-cum machining set-up were used to study the effect of machining parameters on surface modifications in ECM. Studies on vee and trapezoidal shaped profiles showed that they smooth out to a sinusoidal profile before attaining the final shape and that at higher currents less time is required for producing the sinusoidal wave form. Flow velocity has an appreciable effect on short wave length irregularities.

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