Research of PZT Excited Discharge Channel Compression Micro-EDM Techniques

Article Preview

Abstract:

In micro-EDM, the debris generated in machining process is difficult to be moved from the discharging gap, the discharge state is instability, and the material removal rate is low. A new method of PZT incentive synchronous compression discharge channel micro-EDM is presented based on the inverse piezoelectric effect of PZT piezoelectric ceramics, using a spark discharge and PZT sync pulse power. In this paper, the system composition and machining principles are described in detail, and its machining mechanism is analyzed in terms of the experiments. By the experiments, it is certificated that on the process of PZT sync compressing discharge channel machining, the state of discharge gap, the machining efficiency and quality can be improved, the throw out of debris makes easier, and then the stability of micro-EDM process is raised, which indicated that this new technology has wide application prospect in the field of micro manufacturing.

You might also be interested in these eBooks

Info:

Periodical:

Pages:

363-366

Citation:

Online since:

January 2013

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2013 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

[1] D.T. Pham, S.S. Dimov, S. Bigot, A. Ivanov, K. Popov. Micro-EDM—recent development and research issues [J]. Journal of Material Processing Technology, 2004(149): 50-57.

DOI: 10.1016/j.jmatprotec.2004.02.008

Google Scholar

[2] E. Aligiri, S.H. Yeo, P.C. Tan. A new tool wear compensation method based on real-time estimation of material removal volume in micro-EDM [J]. Journal of Materials Processing Technology. 2010(210): 2292-2303.

DOI: 10.1016/j.jmatprotec.2010.08.024

Google Scholar

[3] FU Xiuzhuo, ZHANG Qinhe, ZHANG Jianhua, et al. Characteristics Analysis of Piezoelectric Self-adaptive Micro Electrical Discharge Machining System [J]. Journal of Mechanical Engineering, 2011, 47(9): 164-168.

DOI: 10.3901/jme.2011.09.164

Google Scholar

[4] Takashi Endo, Takayuki Tsujimoto, Kimiyuki Mitsui. Study of Vibration-assisted micro-EDM—The effect of vibration on machining time and stability of discharge [J]. Precision Engineering, 2008(32): 269-277.

DOI: 10.1016/j.precisioneng.2007.09.003

Google Scholar

[5] ZHAO Wansheng, Advanced Electrical Discharge Machining Technology, Beijing: National Defense Industry Press, 2003. (in Chinese).

Google Scholar