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Study on the Characteristics of Electrical Discharge Machining Using Dielectric with Surfactant by Kun Ling Wu; Biing Hwa Yan; Jyh-Wei Lee; Chun Gian Ding is a Engineering article available to read on EtoBox.

What is Study on the Characteristics of Electrical Discharge Machining Using Dielectric with Surfactant about?

This research mainly explores the influence of surfactant on the characteristics of electrical discharge machining (EDM) process on mold steel (SKD61). In this study, particle agglomeration is reduced after surfactant molecules cover the surface of debris and carbon dregs in kerosene solution. Debris is evenly dispersed in dielectric to improve the effects of carbon accumulation and dreg discharge, and reduce the unstable concentrated discharge. The EDM parameters, such as peak current, pulse duration, open voltage and gap voltage are studied in this paper. The experimental results show that after the addition of Span 20 (30 g/L) to dielectric, the conductivity of dielectric is increased. The machining efficiency is thus increased due to a shorter relay time of electrical discharge. When proper working parameters are chosen, the material removal rate is improved by as high as 40-80%. Although the improvement of surface roughness is not obvious, the surface roughness is not deteriorated since the material removal rate is great.

Who reads Study on the Characteristics of Electrical Discharge Machining Using Dielectric with Surfactant?

Author

Kun Ling Wu; Biing Hwa Yan; Jyh-Wei Lee; Chun Gian Ding

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0924-0136)

Published

2009

Language

EN

Field

Engineering (Physical Sciences)