Supplying Microelectrodes Automatically for EDM. Application of Automatic Pencil Mechanism.:Application of Automatic Pencil Mechanism

概要

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Low cost large-scale production of microholes has become an important technology in various fields for devices such as fuel injection nozzles, inkjet printer heads, fluid sensors and optical fiber connectors. Since the development of WEDG (wire electrode discharge grinding) technology, micro EDM has been an excellent process for machining microholes in metals and alloys. However, it is difficult to achieve mass production of microhole by EDM without supplying electrodes automatically. In this study, a new method of supplying microelectrodes is proposed to achieve large-scale production of microholes. This new prototyping method which combines the twin-WEDG system and the tandem micro-EDM system, is not only for machining microholes continuously but also for supplying microelectrodes automatically at the same time. As a result, large-scale production of microholes is possible using only one setup of the spindle.
社団法人電気加工学会の論文