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Nontraditional finishing processes include electrochemical machining (ECM), electrodischarge machining (EDM), and laser beam machining. These processes belong to nonabrasive finishing methods where surface generation occurs with an insignificant amount of mechanical interaction between the processing tool and the workpiece surfaces. This article provides information on the equipment used, applications, process capabilities, and limitations of ECM and EDM.

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K.P. Rajurkar, Jerzy Kozak, Arindam Chatterjee, 1994. "Nonabrasive Finishing Methods", Surface Engineering, C.M. Cotell, J.A. Sprague, F.A. Smidt, Jr.

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