圧縮コイルばねとワイヤを用いた曲がり穴放電加工用電極送り機構の開発

概要

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The study deals with manufacturing curved holes such as water channels of mould and die, which are difficult to create. As holes are generally formed by drilling operations, curved holes cannot help but be formed by the combination of straight holes, which leads to the interference with smooth stream of water. To solve the problem, a quite simple mechanism to create a curved hole was devised, which consists of a helical compression spring, wires, pulleys and an electrode for electrical discharge machining (EDM), and was installed on an electrical discharge machine. The mechanism allows the electrode to move along a curved line. From experimental results, it is found that the mechanism has the potential of creating a curved hole.
1999-07-05