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On the Optimisation Into Wire Electro-Discharge Machining of Al/Al2O3P Composites

[+] Author Affiliations
N. G. Patil

Marathwada Institute of Technology, Aurangabad, MS, India

P. K. Brahmankar

Dr. Babasaheb Ambedkar Technological University, Raigad, MS, India

L. G. Navale

MES College of Engineering, Pune, India

Paper No. IMECE2007-41775, pp. 573-582; 10 pages
doi:10.1115/IMECE2007-41775
From:
  • ASME 2007 International Mechanical Engineering Congress and Exposition
  • Volume 3: Design and Manufacturing
  • Seattle, Washington, USA, November 11–15, 2007
  • Conference Sponsors: ASME
  • ISBN: 0-7918-4297-5 | eISBN: 0-7918-3812-9
  • Copyright © 2007 by ASME

abstract

Non-traditional process like wire electro-discharge machining (WEDM) is found to show a promise for machining metal matrix composites (MMCs). However, the machining information for the difficult-to-machine particle-reinforced material is inadequate. This paper is focused on experimental investigation to examine the effect of electrical as well as nonelectrical machining parameters on performance in wire electro-discharge machining of metal matrix composites (Al/Al2 O3 p). Taguchi orthogonal array was used to study the effect of combination of reinforcement, current, pulse on-time, off-time, servo reference voltage, maximum feed speed, wire speed, flushing pressure and wire tension on kerf width and cutting speed. Reinforcement percentage, current, on-time was found to have significant effect on cutting rate and kerf width. The optimum machining parameter combinations were obtained for cutting speed and kerf width separately.

Copyright © 2007 by ASME

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