Optimisation of Machining Parameters in Electrical Discharge Machining of LM25-RHA Composites

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Author(s): Srikant Tiwari (Maulana Azad National Institute of Technology, Bhopal, India)and Mohan Kumar Pradhan (Maulana Azad National Institute of Technology, Bhopal, India)
Copyright: 2017
Pages: 18
Source title: Handbook of Research on Manufacturing Process Modeling and Optimization Strategies
Source Author(s)/Editor(s): Raja Das (VIT University, India)and Mohan Pradhan (Maulana Azad National Institute of Technology, Bhopal, India)
DOI: 10.4018/978-1-5225-2440-3.ch001

Keywords: Business Science Reference / Industrial Engineering / Operations and Service Management / Science & Engineering

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Abstract

Aluminium composites are tough to machine by using conventional method. In order to increase machinability of aluminium-based composite a non-conventional method of machining has been used. Electrical Discharge Machining (EDM) is one of the kind of machining process which has often uses for machining of aluminium composites. The objective of this chapter is to determine the ideal setting of the process parameters on the electrical discharge machining while machining Aluminium-Rice Husk Ash (LM25-RHA) composites in which three different variation (4%, 8%, 12%) of Rice Husk Ash has been used. The parameters considered are pulse current (Ip), gap voltage (V) and pulse-on-time (Ton); whereas its effect are analysed on Electrode Wear Rate (EWR), Material Removal Rate (MRR) and Surface Roughness (Ra). The optimal setting of the parameters are determined through experiments planned, conducted and analysed using the Taguchi method.

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Optimisation of Machining Parameters in Electrical Discharge Machining of LM25-RHA Composites

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