Electric discharge machining also referred as spark machining or spark erosion machining is a controlled metal removal process based on the principle of erosive effects of electrical discharges sparks taking place between conducting materials immersed in a dielectric fluid. Electrochemical machining ecm seminar with pdf report. Edm process is based on thermoelectric energy between the work piece and an electrode. Example applications of wire edm 7minra surface finish without. Electrical discharge machining process machining drilling. Electrical discharge machining edm has long been the answer for high accuracy. Electric discharge machining edm slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Pdf electrical discharge machining edm is one of the earliest nontraditional machining processes.
You are more than welcome to use this template for your presentation slides. Find powerpoint presentations and slides using the power of, find free presentations research about electrical discharge machining ppt. Electrical powerpoint templates w electricalthemed. Electrical discharge machining or edm is one of the most accurate manufacturing processes available for creating complex or simple shapes and geometries. The productivity of electrical discharge machining edm is relatively low owing to the. There are many specifications to this power, the current density must be high, the difference between the tool and the work piece must be low for higher accuracy, thus the voltage must be low to avoid a short circuit and the control system uses some of.
History of edm in1770s, discovered by joseph priestly. Electrical discharge machining of ceramic nanocomposites. Electrical discharge machining edm powerpoint ppt presentation. Assessment of abrasionassisted material removal in wire edm. A longer off time, for example, allows the flushing of dielectric fluid through a nozzle to. Wire machining ram machining other edm processes electrical discharge milling electrical discharge grinding electrical discharge dressing ultrasonic aided edm abrasive electrical discharge grinding micro electrical discharge machining micro wire edm mole edm double rotating electrodes edm. Ppt nontraditional manufacturing processes powerpoint. The power needed to operate the ecm is obviously electrical. Electrical discharge machining edm is one of the earliest nontraditional machining processes. Wireelectro discharge machining wedm has become an important nontraditional machining process, as it provides an effective solution for producing components made of. Global electrical discharge cutting machine market research report 2017 this report provided by 24 market reports is about, electrical discharge cutting machine report by material, application, and geography global forecast to 2021 is a professional and indepth research report on the worlds major regional market conditions, focusing on the main regions north america, europe and asia. Electrical discharge machining process free download as powerpoint presentation. Developed in the mid 1970s in the mid 1980s, the edm techniques were transferred to a machine tool today,it is.
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