Abstract
This paper describes the development of an electrochemical machining method for cutting of metal sheets using an electrolyte jet. In this process the workpiece is machined locally in the area contacted by an electrolyte jet through which an electric current is applied. When holes and grooves are created by electrolyte jet machining, the electrolyte flow on the workpiece is influenced by changes in the configuration of the workpiece surface being machined, thereby broadening the current density distribution under the jet. Thus, in previous studies, depth of the slots was shallow, and perforation of holes or slots has never been investigated intensively. Hence, this study aims to perforate thick metal plates using electrolyte jet machining. Influences of the nozzle scanning speed and electrolysis current on the machining speed and hole shape quality were investigated. A stainless sheet of 3mm in thickness was cut successfully with a kerf width of between 220 to 230μm using a cylindrical electrolyte jet which was 210μm in diameter.
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