Electrical Discharge Machining (EDM): A Review | Zendy

Asfana Banu | Zendy; Mohammad Yeakub Ali | Zendy

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Electrical Discharge Machining (EDM): A Review

Author(s) -

Asfana Banu,

Mohammad Yeakub Ali

Publication year - 2016

Publication title -

international journal of engineering materials and manufacture

Language(s) - English

Resource type - Journals

ISSN - 0128-1852

DOI - 10.26776/ijemm.01.01.2016.02

Subject(s) - electrical discharge machining , machining , mechanical engineering , brittleness , materials science , electrical conductor , thermal conductivity , thermal , electrical resistivity and conductivity , metallurgy , composite material , engineering , electrical engineering , physics , meteorology

Electro discharge machining (EDM) process is a non-conventional and non-contact machining operation which is used in industry for high precision products. EDM is known for machining hard and brittle conductivematerials since it can melt any electrically conductive material regardless of its hardness. The workpiece machined by EDM depends on thermal conductivity, electrical resistivity, and melting points of the materials. The tool and the workpiece are adequately both immersed in a dielectric medium, such as, kerosene, deionised water or any other suitable fluid. This paper is reviewed comprehensively on types of EDM operation. A brief discussion is also done on the machining responses and mathematical modelling.

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