A REVIEW ON RESEARCH WORK IN ELECTRICAL DISCHARGE MACHINING
Keywords:
Die Sinking EDM, Wire EDM, Hybrid EDM, Powder Mixed EDM , Micro EDMAbstract
Electrical discharge machining (EDM) is a well-established machining option for manufacturing geometrically complex or hard material parts that are extremely difficult-to-machine by conventional machining processes. Despite a range of different approaches, this new research shares the same objectives of achieving more efficient metal removal coupled with a reduction in tool wear and improved surface quality. This paper reviews the research work carried out from the inception to the development of electrical discharge machining (EDM) within the past decade. It reports on the EDM research relating to improving performance measures, optimizing the process variables using ANN, fuzzy logic, etc, monitoring and control the sparking process, simplifying the electrode design and manufacture, machining of ceramics, hybrid machining and effect on surface quality . This paper also reviews the work related to emerging areas of research in electrical discharge machining (EDM) such as micro EDM, dry EDM, powder mixed EDM and parameter optimization of EDM and the recent work going on machining of composites with electrical discharge machining
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