Reducing electrode wear ratio using cryogenic cooling during electrical discharge machining

Abdulkareem, Suleiman and Khan, Ahsan Ali and Mohamed , Konneh (2009) Reducing electrode wear ratio using cryogenic cooling during electrical discharge machining. International Journal of Advanced Manufacturing Technology, 45 (11-12). pp. 1146-1151. ISSN 1433-3015 (O); 0268-3768 (P)

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Abstract

In this study, cooling effect of copper electrode on the die-sinking of electrical discharge machining of titanium alloy (Ti-6Al-4V) has been carried out. Investigation on the effect of cooling on electrode wear and surface roughness of the workpiece has been carried out. Design of experiment plan for rotatable central composite design of second order with four variables at five levels each has been employed to carry out the investigation. Current intensity (I), pulse on-time (ton), pulse off-time (toff), and gap voltage (v) were considered as the machining parameters, while electrode wear and surface roughness are the responses. Analysis of the influence of cooling on the responses has been carried out and presented in this study. It was possible to reduce electrode wear ratio up to 27% by electrode cooling. Surface roughness was also reduced while machining with electrode cooling.

Item Type:	Article (Journal)
Additional Information:	3129/7590
Uncontrolled Keywords:	Cryogenic cooling . DOE . Electrode wear . EDM . Surface roughness
Subjects:	T Technology > TS Manufactures > TS200 Metal manufactures. Metalworking
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User:	Prof. Dr. Ahsan Ali Khan
Date Deposited:	29 Nov 2011 23:49
Last Modified:	24 Jan 2012 17:29
URI:	http://irep.iium.edu.my/id/eprint/7590

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