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Area Effect of Bath Mode Micro Electro-discharge Machining
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Trans Tech Publications Ltd
This paper investigated the impact of area effect in the batch mode micro-EDM on shape accuracy and surface morphology of the machined microstructures, as well as electrode wear, using both the positive-type and the negative-type electrode arrays fabricated by the UV-LIGA process. Experimental results showed that ,with the increase of electrode-pair scale from 01mm, 02mm, Φ4mm to Φ8mm, the shape accuracy of the machined stainless steel microstructures increased, but the eroded microcavities of the machined area reduced in both the positive-type and the negative-type micro-EDM using the same electrical pulse parameters. It was also found that, with the same pulse energy and electrode-pair area, the electrode wear reduced as the electrode-couple area increased, and the wear ratio in the positive-type micro-EDM was larger than that in the negative-type micro-EDM.
area effectmicro electro-discharge machiningUV-LIGAmicro-fabrication
Pingmei Ming、Di Zhu、Yangyang Hu、Yongbin Zeng
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College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo, China
College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China
NETL
NSTL
Trans Tech Publications Ltd
