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Heating element profile maker is a designed on the basis of the non-traditional machining process. This paper represents the investigation on the effect and optimization of machining parameters on the kerf width and material removal rate. The experimental studies were conducted under varying current keeping voltage constant. The electric power transmitted to the wire is modulated to keep the wire temperature constant. Since the feed rate and kerf width both directly depends upon the wire temperature.

Electrical discharge machining is assessed on the basis of Material Removal Rate (MRR), Tool Wear Rate (TWR), and Surface Roughness (SR). Process parameters that mostly affected the EDM Process are Pulse on Time, Pulse off Time, Discharge Current, Arc Gap and Duty Cycle. This paper reviews research for the optimization and improvement of various performance parameters measured in the experimentation on EDM by using Taguchi technique. In the study the main objectives of optimization is to minimize the tool wear rate (TWR) and surface roughness, and to maximize the material removal rate (MRR).Taguchi Method is widely used in the industry to optimize and improve various performance parameters associated with different machining processes. This paper also deals with the review of some of the work reported with the use of Taguchi method in last two decades.