Abstract
Abstract Pulse electrochemical machining (PECM) provides an economical and effective method for machining high strength, heat-resistant materials into complex shapes such as turbine blades of titanium alloys. The dimensional accuracy of PECM can be improved if a small interelectrode gap is maintained. This paper presents an interelectrode gap model for estimating pulse pressure generated after pulse current switched on, and the subsequent dynamic loading on the electrodes during PECM. A specially built PECM cell and a high-speed data acquisition system are used to measurement of wave pressure for verification of estimated values.
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