Affiliation:
1. Shanghai Jiao Tong University
2. University of Nebraska-Lincoln
Abstract
This paper aims to introduce the performance of bunched-electrode for die-sinking EDM. Bunched-electrode was formed by bunching numerous hollow cell-electrodes together to generate an electrode in which end surface matches the final surface of the mould cavity. FEM analysis and experiments were conducted to demonstrate the feasibility and effectiveness of bunched electrode in ED machining. Experiments show that while machining with bunched-electrode, it is feasible to apply a much higher peak current to achieve higher MRR. Meanwhile, a special phenomenon called shallow radial craters in machining with bunched-electrodes was observed and analyzed. One possible reason may be that the plasma columns in the gap are distorted outwards by strong inner pressure flushing.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
Reference9 articles.
1. Lonardo, P.M., et al., Effect of flushing and electrode material on die sinking EDM, Ann. CIRP 48 (1) (1999), pp.123-126.
2. Kaneko, Y., et al., Performance of Linear Motor Equipped Die-Sinking EDM, International Journal of Electrical Machining, 5 (2000), pp.59-64.
3. Kechagias, J, et al., EDM electrode manufacture using rapid tooling: a review, J. Mater. Sci. 43 (2008), pp.2522-2535.
4. Zhao. W. S, et al., Bunched- Electrode for Electrical Discharge Machining, Proceedings of the ISEM XV, Pittsburgh, USA, (2007), pp.41-44.
5. LI L, et al., Research on Machining Characters of Bunched Electrode Electrical Discharge Machining, Journal of Shanghai Jiao Tong University, Vol. 43(1)(2009), pp.31-37.
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