Influence of Pulse-on-Time on the Performance of Wire Electrical Discharge Machining of Ti-6Al-4V Using Zinc Coated Brass Wire

Singaravelu D. Lenin; A. Uthirapathi; Ramana Reddy P.S. Venkata; Muthukannan Durai Selvam

doi:10.4028/www.scientific.net/AMM.592-594.416

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 592-594Influence of Pulse-on-Time on the Performance of...

Influence of Pulse-on-Time on the Performance of Wire Electrical Discharge Machining of Ti-6Al-4V Using Zinc Coated Brass Wire

Abstract:

The present paper describes the influence of pulse-on-time on performance features such as Metal Removal Rate (MRR), Kerf width, Surface Roughness (SR) on cutting Titanium alloy (Ti-6Al-4V) in wire electrical discharge machining (WEDM) using zinc coated brass wire. The deionised water is used as dielectric fluid. The process parameters such as wire tension, wire speed, flushing pressure, discharge current, sparking voltage and pulse off time have kept constant at appropriate values throughout the experiment and the pulse on time is varied at nine different intervals. It was found that pulse-on-time is the most significant factor which greatly influences MRR, kerf width, and SR. It was also observed that taper at the end of cutting zone which is unavoidable occurrence for the machined part. This is due to the erosion of wire material. The surface roughness increases with increase in pulse on time also with higher rate of MRR.

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Periodical:

Applied Mechanics and Materials (Volumes 592-594)

Pages:

416-420

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.592-594.416

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Online since:

July 2014

Authors:

Singaravelu D. Lenin*, A. Uthirapathi, Ramana Reddy P.S. Venkata, Muthukannan Durai Selvam

Keywords:

Kerf Width, MRR, Pulse-On-Time, SR, Titanium Alloy, WEDM

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* - Corresponding Author

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