Abstract The electrode is an essential tool in electrical discharge machining (EDM). quality and efficiency of EDM are directly determined by the performance materials. Copper tungsten alloy (CuW50) pure copper cuboid electrodes were fabricated wire-cut (WEDM). parameters processing current, pulse width selected as test variables, single-factor experiment was carried out on SKD61 die steel with...

This paper aims to develop a combination of Taguchi and fuzzy TOPSIS methods to solve multi-response parameter optimization problems in green manufacturing. Electrical Discharge Machining (EDM), a commonly used non-traditional manufacturing process was considered in this study. A decision making model for the selection of process parameters in order to achieve green EDM was developed. An experi...

In this study, two parameters of surface roughness and volumetric material removal rate are optimized based on computational intelligence method. Wire electrical discharge machine is used for machining of cold-work steel 2601. The relation between Input parameters including electrical current, pulse-off time, open-circuit voltage and gap voltage and output parameters is studied via Experimental...

Machining of medium Brass alloy is very difficult. There are a number of parameters like cutting speed, feed and depth of cut etc. which must be given consideration during the machining of medium Brass alloy. This study investigates the effects of process parameters on Material Removal Rate (MRR) in turning of C34000. The single response optimization problems i.e. optimization of MRR is solved ...

Selection of machining conditions for improved performance characteristics has great importance during wire EDM, because numerous control factors contribute during machining. In the present study an attempt has been made to find the optimal machining conditions for multi performance characteristics simultaneously by applying grey relational analysis using entropy measurement for which Taguchi b...

Shape memory alloys are kind of smart materials, which have distinctive properties and are superior in compare with other alloys. Severe reactions to thermodynamic and mechanical parameters and ability to return to their original shape make these alloys distinctive from other alloy regarding machining ability. Since these alloys have a very useful application in various fields such as aerospace...

To eliminate the recast layer on surface machined by multi-pass wire electrical discharge machining (WEDM), hence improving integrity, present paper proposed and investigated a new combined process of performing electrochemical (WECM) after WEDM same machine tool utilizing slight conductivity compound working fluid. A theoretical model based electric double Faraday’s law electrolysis was establ...

Abstract The paper details a comprehensive experimental investigation on the influence of operating parameters and cut direction (parallel perpendicular to fibre orientation) when wire electrical discharge machining (WEDM) unidirectional CFRP composites using zinc-coated brass (0.25-mm diameter). A Taguchi L18 fractional factorial orthogonal array considering four variable including open voltag...