Efficient electrochemical deburring for small-sized holes in precision parts

Radio-frequency coaxial connectors, widely used in communication base stations and radars, are assembled from precision components with perforated structures. During hole machining, burrs will form at the inlet and outlet, which can affect assembly performance. However, traditional deburring is time-consuming and urgently requires efficient technology. This article focuses on an efficient electrochemical process for removing burrs at the edges of small-sized holes in precision workpieces, with emphasis on the design of the process device and parameter optimization. The design of an array-type process device has enabled synchronous, efficient deburring of multiple workpieces. The parameters of the flow distribution chamber and interelectrode gap were determined through flow field and electric field simulations, and a back pressure plate was designed to improve the uniformity of electrolyte flow in the machining zone. Subsequently, the influence of process parameters on deburring was analyzed, and the optimal parameter combination was determined using response surface methodology. The rationality of the process device and the effectiveness of the process parameters were ultimately verified through experiments.