819 微細放電加工のトランジスタ電源化に関する研究(マイクロ加工)(OS.1 生産加工・工作機械)

概要

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This paper describes the development of a transister-type pulse generator which is suitable for micro electrical discharge machining (micro-EDM). Although the transistor-type pulse generator is more effective for obtaining a higher removal rate, the capacitor-type is still being used in the conventional micro-EDM because so far it bas been considered that the transistor-type pulse generator cannot generate a current pulse whose pulse duration is merely several tens nanosecond orders which is normally. used for micro-EDM. With the transistor-type pulse generator newly developed, we were able to reduce the Pulse duration to 100-nanosecond or less. which is equivalent to the pulse duration used in a medium roughing condition in the conventional capacitor-type pulse generator for micro-EDM. Using the transistor-type pulse generator, WEDGing of a micro-rod was carried out.
一般社団法人日本機械学会の論文
2001-03-09