Study On EDM Electrode Wear

Norazwani , Arshad (2009) Study On EDM Electrode Wear. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Electrical Discharge Machining (EDM) is non-traditional manufacturing process for shaping hard metals and forming deep and complex-shaped holes by arc erosion in all kinds of electro-conductive materials. Despite that, EDM also a process of utilizing the removal phenomenon of electrical discharge in dielectric, therefore the electrode plays an important role which affects the material removal rate and the tool wear rate. The mains problems in EDM is the high rate of tool wear. The objective of this project are to study the behavior of electrode wear, to analyze the effect of process parameter on electrode wears and propose an optimum machining condition of EDM. As a result, there are 9 experiments will be conducted with different peak current (IP) and gap size. And mathematical modeling which is Design of Experiment (DOE) program is used to analysis data for optimization result. The obtain result according to this study is the optimum machining conditions that can be implemented to reduce the rate of the tool wear and at the same time the machining productivity and process reliability are increased.

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