Leakage Current Loss in Immersion Fluid High Speed Wire-Cut Electrical Discharge Machining

Abstract

Abstract:

Both immersion fluid and spray liquid cooling methods were used in high speed wire-cut electrical discharge machining(HSWEDM) experiments. The results show that with the same processing parameters, the cutting speed of immersion fluid is lower than that of spray liquid. A primary cause of this is the continuous leakage current of electrolytic between the work-piece and wire electrode which covered with electrolyte liquid. The relationship of the discharge energy loss and the leakage current between electrolyte liquid and the leakage current of work-piece were analyzed. The experimental results show that by reducing the surface leakage current area of the work-piece and working fluid conductivity, the energy loss could be effectively reduced, and the processing efficiency could be improved.

Key words: WEDM(wire-cut electrical discharge machining), spray liquid processing, immersion fluid processing, leakage current loss

CLC Number:

TG 662

ZHANG Weijian，LIU Zhidong，QIU Mingbo. Leakage Current Loss in Immersion Fluid High Speed Wire-Cut Electrical Discharge Machining[J]. Journal of Shanghai Jiaotong University, 2013, 47(11): 1670-1674.

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