PARAMETRIC OPTIMIZATION OF ELECTRO CHEMICAL DISCHARGE MACHINING FOR NON-CONDUCTIVE MATERIALS

MECHANICAL ENGINEERING

The brittle material like Glass, Ceramics and Non-plastic composites play a major role in automobiles, aeronautics & other industrial applications due to their enhanced mechanical properties. Machining of such materials is difficult and expensive. The increase in needs for machining of Ceramics for semi conductor, electronic device LEDs has lead to new developments in machining technology. The material removal process is based on the erosion of materials. Need for new Techniques for machining of these advanced engineering materials cannot be over emphasized. Electrical Discharge Machining (EDM) & Electro Chemical Machining (ECM) play a major role in many industrial applications to machine conducting materials but they fail to machine non-conducting materials. In this project an attempt has been made to combine the principle of both EDM & ECM process & explore the feasibility of using an Electro Chemical Discharge Machining (ECDM) process for machining of non-conducting materials Experimental set up for Electro Chemical Discharge Machining (ECDM) was developed. Experiments were conducted according to the Taguchi method to drill holes in borosilicate glass at different voltage & concentrations of the electrolyte and stainless steel material used as tool. Hole sizes were checked by using optical microscope.

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