A Micro-Deposition Method by Using EDM |
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| Journal | Key Engineering Materials (Volume 339) |
|---|---|
| Volume | Progress of Precision Engineering and Nano Technology |
| Edited by | Shen Dong and Yingxue Yao |
| Pages | 32-36 |
| DOI | 10.4028/www.scientific.net/KEM.339.32 |
| Citation | Bai Dong Jin et al., 2007, Key Engineering Materials, 339, 32 |
| Online since | May, 2007 |
| Authors | Bai Dong Jin, Guo Hui Cao, Zhen Long Wang, Wan Sheng Zhao |
| Keywords | Electric Discharge Machining (EDM), Electrical Discharge Deposition (EDD), Process Parameter, Reversible Machining |
| Abstract | A new micro EDM method is described. First, the basic principles of micro EDD are analyzed and realized conditions are predicted. Then with an ordinary EDM shaping machine and electrode brass, steel and tungsten, a large number of experiments are carried out in air to obtain the effects of different processing parameters on micro EDD. A micro cylinder with 0.19mm in diameter and 7.35mm in height is formed on high-speed steel surface. By exchanging the polarities of electrode and workpiece the deposited material can be removed selectively, thus the reversible machining is realized. In the end, measurements show that the deposited material is compact and hardened, whose components depend on the tool electrode material although Zn in brass electrode is oxidized to ZnO. |
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