Machining of insulating materials by EDM with micro-pin electrode

被引:0
|
作者
Tani, Takayuki [1 ]
Mohri, Naotake
Gotoh, Hiromitsu [1 ]
Haruo, Sai
Okada, Masaaki
机构
[1] Tsukuba Univ Technol, Dept Ind Informat, Tsukuba, Ibaraki 3058520, Japan
关键词
electrical discharge machining; micromachining; scanning EDM; insulating ceramics;
D O I
暂无
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
This study describes a new method for micro-pin electrode formation and its application to micro machining of insulating ceramics. The rotating electrode is moved through the inside of the working plate with scanning EDM, then it changes into a micro-pin with a very small diameter. Two electrically isolated plates were set in position, and movement of the electrode is controlled to maintain a centered position by measuring current to the isolated plates. Machined diameter closely corresponded to the desired diameter. A micro hole of 30 mu m diameter was drilled into insulating Si3N4 ceramics using a formed micro-pin electrode.
引用
收藏
页码:257 / 261
页数:5
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