NDLI: Modeling of Wire Electrical Discharge Machining Parameters Using Titanium Alloy (Ti-6AL-4V)

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Modeling of Wire Electrical Discharge Machining Parameters Using Titanium Alloy (Ti-6AL-4V)

Content Provider	Semantic Scholar
Author	Kuriachen, Basil Paul, J. Mathew, Jose Alex
Copyright Year	2012
Abstract	Wire electro discharge machining (WEDM) is a modification of electro discharge machining (EDM) which has been widely used for long time for cutting punches and dies, shaped pockets and other machine parts of electrically conducting work materials. Technology of the WEDM process is based on the conventional EDM sparking phenomenon, utilizing the widely accepted non contact technique of material removal with a difference that spark is generated at the wire and work piece gap. Evolution of WEDM made drastic changes in the area of precision machining with highest degree of dimensional accuracy and surface finish. In this paper, two level full factorial techniques were used for modelling and predicting the surface roughness in WEDM of titanium (Ti-6Al-4V) alloy. Surface roughness was taken as a response variable measured after machining and pulse ON time, pulse OFF time, voltage and dielectric flushing pressure were taken as input parameters. The level of importance of the WEDM cutting parameters on the surface roughness was determined by using the analysis of variance method (ANOVA). A mathematical relation between the workpiece surface roughness and WEDM cutting parameters was established. This mathematical model may be used for evaluating the surface roughness without performing any experiments. The predicted values of surface roughness by the mathematical model were compared with the experimental values. It is observed that the predicted results agree with the experimental values within an error of 7 %.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.ijetae.com/files/Volume2Issue4/IJETAE_0412_66.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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