微粒对放电通道生长的影响机理研究

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2007, Vol. 28 ›› Issue (2): 500-503.

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Study on Mechanism of Discharge Channels’ Growth Effected by Particles

WANG Yuan-gang, ZHAO Fu-ling, WANG Hui

Key Lab for Precision and Non traditional Machining Technology of Ministry of Education,Dalian University of Technology

Received:2005-11-17 Revised:2006-03-10 Online:2007-03-10 Published:2007-03-10
Contact: ZHAO Fuling

Abstract

Abstract:

Powder mixed electrical discharge machining (PMEDM), using kerosene with suspended powder as the dielectric fluid, can work steadily at very low pulse energy with satisfying results and the powder particles is believed to play an important role in discharging. Considering the electric field aberration in the interelectrode gap caused by the particles, the polarization of electric field is calculated and the influence of particle on electrical tree is analyzed in this paper.

Key words: powder , mixed , EDM, , mechanism, , electrical , channel, , manufacturing , of , mold , and , die

CLC Number:

TG661

WANG Yuan-gang;ZHAO Fu-ling;WANG Hui. Study on Mechanism of Discharge Channels’ Growth Effected by Particles[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2007, 28(2): 500-503.

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Study on Mechanism of Discharge Channels’ Growth Effected by Particles

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